12752749842 has 32 divisors (see below), whose sum is σ = 29334820992. Its totient is φ = 3620433024.

The previous prime is 12752749829. The next prime is 12752749843. The reversal of 12752749842 is 24894725721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12752749843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960403 + ... + 973590.

It is an arithmetic number, because the mean of its divisors is an integer number (916713156).

Almost surely, 2^12752749842 is an apocalyptic number.

12752749842 is an abundant number, since it is smaller than the sum of its proper divisors (16582071150).

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

12752749842 is a wasteful number, since it uses less digits than its factorization.

12752749842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934162.

The product of its digits is 2257920, while the sum is 51.

The spelling of 12752749842 in words is "twelve billion, seven hundred fifty-two million, seven hundred forty-nine thousand, eight hundred forty-two".