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1212130302000 = 24353670330139
BaseRepresentation
bin10001101000111000100…
…110001001100000110000
311021212201110000022001220
4101220320212021200300
5124324420324131000
62324502303025040
7153400501366002
oct21507046114060
94255643008056
101212130302000
11428074a56572
12176b03b9b180
138a3c37425b7
144294b584372
15217e4ae91a0
hex11a38989830

1212130302000 has 160 divisors (see below), whose sum is σ = 3908620784640. Its totient is φ = 323175801600.

The previous prime is 1212130301999. The next prime is 1212130302011. The reversal of 1212130302000 is 2030312121.

It is a super-2 number, since 2×12121303020002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40202931 + ... + 40233069.

It is an arithmetic number, because the mean of its divisors is an integer number (24428879904).

Almost surely, 21212130302000 is an apocalyptic number.

1212130302000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212130302000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1954310392320).

1212130302000 is an abundant number, since it is smaller than the sum of its proper divisors (2696490482640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212130302000 is a wasteful number, since it uses less digits than its factorization.

1212130302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36868 (or 36852 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1212130302000 its reverse (2030312121), we get a palindrome (1214160614121).

The spelling of 1212130302000 in words is "one trillion, two hundred twelve billion, one hundred thirty million, three hundred two thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 6703 13406 20109 26812 30139 33515 40218 53624 60278 67030 80436 90417 100545 107248 120556 134060 150695 160872 167575 180834 201090 241112 268120 301390 321744 335150 361668 402180 452085 482224 502725 536240 602780 670300 723336 753475 804360 837875 904170 1005450 1205560 1340600 1446672 1506950 1608720 1675750 1808340 2010900 2260425 2411120 2513625 2681200 3013900 3351500 3616680 3767375 4021800 4520850 5027250 6027800 6703000 7233360 7534750 8043600 9041700 10054500 11302125 12055600 13406000 15069500 18083400 20109000 22604250 30139000 36166800 40218000 45208500 60278000 90417000 180834000 202021717 404043434 606065151 808086868 1010108585 1212130302 1616173736 2020217170 2424260604 3030325755 3232347472 4040434340 4848521208 5050542925 6060651510 8080868680 9697042416 10101085850 12121303020 15151628775 16161737360 20202171700 24242606040 25252714625 30303257550 40404343400 48485212080 50505429250 60606515100 75758143875 80808686800 101010858500 121213030200 151516287750 202021717000 242426060400 303032575500 404043434000 606065151000 1212130302000