12542459752 has 16 divisors (see below), whose sum is σ = 23960831940. Its totient is φ = 6152904576.

The previous prime is 12542459749. The next prime is 12542459753. The reversal of 12542459752 is 25795424521.

It can be written as a sum of positive squares in 2 ways, for example, as 12484486756 + 57972996 = 111734^2 + 7614^2 .

It is not an unprimeable number, because it can be changed into a prime (12542459753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14790213 + ... + 14791060.

Almost surely, 2^12542459752 is an apocalyptic number.

It is an amenable number.

12542459752 is a deficient number, since it is larger than the sum of its proper divisors (11418372188).

12542459752 is a wasteful number, since it uses less digits than its factorization.

12542459752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29581332 (or 29581328 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The spelling of 12542459752 in words is "twelve billion, five hundred forty-two million, four hundred fifty-nine thousand, seven hundred fifty-two".