12388502118136 has 32 divisors (see below), whose sum is σ = 23255268699600. Its totient is φ = 6187100578560.

The previous prime is 12388502118133. The next prime is 12388502118137. The reversal of 12388502118136 is 63181120588321.

It is a super-2 number, since 2×12388502118136² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12388502118136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12388502118133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28820551 + ... + 29247241.

Almost surely, 2^{12388502118136} is an apocalyptic number.

It is an amenable number.

12388502118136 is a deficient number, since it is larger than the sum of its proper divisors (10866766581464).

12388502118136 is a wasteful number, since it uses less digits than its factorization.

12388502118136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430879 (or 430875 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 12388502118136 in words is "twelve trillion, three hundred eighty-eight billion, five hundred two million, one hundred eighteen thousand, one hundred thirty-six".