12740574152 has 8 divisors (see below), whose sum is σ = 23888576550. Its totient is φ = 6370287072.

The previous prime is 12740574137. The next prime is 12740574157. The reversal of 12740574152 is 25147504721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12411296836 + 329277316 = 111406^2 + 18146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12740574152² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12740574157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 796285877 + ... + 796285892.

Almost surely, 2^12740574152 is an apocalyptic number.

It is an amenable number.

12740574152 is a deficient number, since it is larger than the sum of its proper divisors (11148002398).

12740574152 is a wasteful number, since it uses less digits than its factorization.

12740574152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592571775 (or 1592571771 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 12740574152 in words is "twelve billion, seven hundred forty million, five hundred seventy-four thousand, one hundred fifty-two".