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12232133031 = 361190735051
BaseRepresentation
bin10110110010001011…
…11000100110100111
31011120110220202000010
423121011320212213
5200022411224111
65341441021303
7612060262266
oct133105704647
934513822003
1012232133031
1152077a1658
122454624833
1311cc28c951
148407a65dd
154b8d25aa6
hex2d91789a7

12232133031 has 16 divisors (see below), whose sum is σ = 16586045568. Its totient is φ = 8016636000.

The previous prime is 12232133009. The next prime is 12232133059. The reversal of 12232133031 is 13033123221.

It is not a de Polignac number, because 12232133031 - 219 = 12231608743 is a prime.

It is a super-2 number, since 2×122321330312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12232132989 and 12232133007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232133071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331456 + ... + 366506.

It is an arithmetic number, because the mean of its divisors is an integer number (1036627848).

Almost surely, 212232133031 is an apocalyptic number.

12232133031 is a deficient number, since it is larger than the sum of its proper divisors (4353912537).

12232133031 is a wasteful number, since it uses less digits than its factorization.

12232133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37022.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12232133031 its reverse (13033123221), we get a palindrome (25265256252).

The spelling of 12232133031 in words is "twelve billion, two hundred thirty-two million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 3 61 183 1907 5721 35051 105153 116327 348981 2138111 6414333 66842257 200526771 4077377677 12232133031