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12101012133200 = 2452151223898421
BaseRepresentation
bin1011000000010111110010…
…0001111001010101010000
31120211211211100020010202222
42300011330201321111100
53041230333101230300
641423043410400212
72356161234664454
oct260057441712520
946754740203688
1012101012133200
113946012970621
121435310590068
1369a174ac6cc3
142db999228664
1515eb95e36785
hexb017c879550

12101012133200 has 120 divisors (see below), whose sum is σ = 29396482838016. Its totient is φ = 4786781760000.

The previous prime is 12101012133191. The next prime is 12101012133241. The reversal of 12101012133200 is 233121010121.

It is a super-2 number, since 2×121010121332002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13019990 + ... + 13918410.

Almost surely, 212101012133200 is an apocalyptic number.

12101012133200 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 12101012133200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14698241419008).

12101012133200 is an abundant number, since it is smaller than the sum of its proper divisors (17295470704816).

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

12101012133200 is a wasteful number, since it uses less digits than its factorization.

12101012133200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898813 (or 898802 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12101012133200 its reverse (233121010121), we get a palindrome (12334133143321).

The spelling of 12101012133200 in words is "twelve trillion, one hundred one billion, twelve million, one hundred thirty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 151 200 223 302 400 446 604 755 892 1115 1208 1510 1784 2230 2416 3020 3568 3775 4460 5575 6040 7550 8920 11150 12080 15100 17840 22300 30200 33673 44600 60400 67346 89200 134692 168365 269384 336730 538768 673460 841825 898421 1346920 1683650 1796842 2693840 3367300 3593684 4492105 6734600 7187368 8984210 13469200 14374736 17968420 22460525 35936840 44921050 71873680 89842100 135661571 179684200 200347883 271323142 359368400 400695766 542646284 678307855 801391532 1001739415 1085292568 1356615710 1602783064 2003478830 2170585136 2713231420 3205566128 3391539275 4006957660 5008697075 5426462840 6783078550 8013915320 10017394150 10852925680 13566157100 16027830640 20034788300 27132314200 30252530333 40069576600 54264628400 60505060666 80139153200 121010121332 151262651665 242020242664 302525303330 484040485328 605050606660 756313258325 1210101213320 1512626516650 2420202426640 3025253033300 6050506066600 12101012133200