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12212111001102 = 23232293011128341
BaseRepresentation
bin1011000110110101101010…
…0010011100011000001110
31121020110121000100101112020
42301231122202130120032
53100040400404013402
641550055532551010
72400203331534435
oct261553242343016
947213530311466
1012212111001102
113989144322421
121452957322466
136a779bb694ac
143030d833411c
151629e973e8bc
hexb1b5a89c60e

12212111001102 has 64 divisors (see below), whose sum is σ = 25606138728960. Its totient is φ = 3875395708800.

The previous prime is 12212111001091. The next prime is 12212111001107. The reversal of 12212111001102 is 20110011121221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212111001107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95089452 + ... + 95217792.

It is an arithmetic number, because the mean of its divisors is an integer number (400095917640).

Almost surely, 212212111001102 is an apocalyptic number.

12212111001102 is an abundant number, since it is smaller than the sum of its proper divisors (13394027727858).

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

12212111001102 is a wasteful number, since it uses less digits than its factorization.

12212111001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131609.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12212111001102 its reverse (20110011121221), we get a palindrome (32322122122323).

The spelling of 12212111001102 in words is "twelve trillion, two hundred twelve billion, one hundred eleven million, one thousand, one hundred two".

Divisors: 1 2 3 6 23 46 69 138 229 458 687 1374 3011 5267 6022 9033 10534 15801 18066 31602 69253 128341 138506 207759 256682 385023 415518 689519 770046 1379038 2068557 2951843 4137114 5903686 8855529 15858937 17711058 29390089 31717874 47576811 58780178 88170267 95153622 176340534 386434751 675972047 772869502 1159304253 1351944094 2027916141 2318608506 4055832282 8887999273 17775998546 26663997819 53327995638 88493557979 176987115958 265480673937 530961347874 2035351833517 4070703667034 6106055500551 12212111001102