12231161036464 has 40 divisors (see below), whose sum is σ = 23788910974752. Its totient is φ = 6092089059840.

The previous prime is 12231161036453. The next prime is 12231161036477. The reversal of 12231161036464 is 46463016113221.

It is a super-2 number, since 2×12231161036464² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163321332 + ... + 163396204.

Almost surely, 2^{12231161036464} is an apocalyptic number.

It is an amenable number.

12231161036464 is a deficient number, since it is larger than the sum of its proper divisors (11557749938288).

12231161036464 is a wasteful number, since it uses less digits than its factorization.

12231161036464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113965 (or 113959 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

Adding to 12231161036464 its reverse (46463016113221), we get a palindrome (58694177149685).

The spelling of 12231161036464 in words is "twelve trillion, two hundred thirty-one billion, one hundred sixty-one million, thirty-six thousand, four hundred sixty-four".