12562742136 has 32 divisors (see below), whose sum is σ = 35893549440. Its totient is φ = 3589354848.

The previous prime is 12562742131. The next prime is 12562742141. The reversal of 12562742136 is 63124726521.

It is an interprime number because it is at equal distance from previous prime (12562742131) and next prime (12562742141).

It is a junction number, because it is equal to n+sod(n) for n = 12562742094 and 12562742103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12562742131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37388946 + ... + 37389281.

It is an arithmetic number, because the mean of its divisors is an integer number (1121673420).

Almost surely, 2^12562742136 is an apocalyptic number.

It is an amenable number.

12562742136 is an abundant number, since it is smaller than the sum of its proper divisors (23330807304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12562742136 is a wasteful number, since it uses less digits than its factorization.

12562742136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74778243 (or 74778239 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The spelling of 12562742136 in words is "twelve billion, five hundred sixty-two million, seven hundred forty-two thousand, one hundred thirty-six".