12115632356 has 24 divisors (see below), whose sum is σ = 21910272384. Its totient is φ = 5858344800.

The previous prime is 12115632343. The next prime is 12115632407. The reversal of 12115632356 is 65323651121.

It is a super-2 number, since 2×12115632356² (a number of 21 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, 331340 + ... + 366083.

It is an arithmetic number, because the mean of its divisors is an integer number (912928016).

Almost surely, 2^12115632356 is an apocalyptic number.

It is an amenable number.

12115632356 is a deficient number, since it is larger than the sum of its proper divisors (9794640028).

12115632356 is a wasteful number, since it uses less digits than its factorization.

12115632356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697571 (or 697569 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The spelling of 12115632356 in words is "twelve billion, one hundred fifteen million, six hundred thirty-two thousand, three hundred fifty-six".