12236601331 has 16 divisors (see below), whose sum is σ = 13202411040. Its totient is φ = 11303297280.

The previous prime is 12236601319. The next prime is 12236601361. The reversal of 12236601331 is 13310663221.

It is a cyclic number.

It is not a de Polignac number, because 12236601331 - 2⁹ = 12236600819 is a prime.

It is a super-2 number, since 2×12236601331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12236601331.

It is not an unprimeable number, because it can be changed into a prime (12236601361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1814041 + ... + 1820773.

It is an arithmetic number, because the mean of its divisors is an integer number (825150690).

Almost surely, 2^12236601331 is an apocalyptic number.

12236601331 is a deficient number, since it is larger than the sum of its proper divisors (965809709).

12236601331 is a wasteful number, since it uses less digits than its factorization.

12236601331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 12236601331 in words is "twelve billion, two hundred thirty-six million, six hundred one thousand, three hundred thirty-one".