12544808862 has 16 divisors (see below), whose sum is σ = 26410124160. Its totient is φ = 3961518552.

The previous prime is 12544808789. The next prime is 12544808867. The reversal of 12544808862 is 26880844521.

It is a super-2 number, since 2×12544808862² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12544808867) 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, 55020978 + ... + 55021205.

It is an arithmetic number, because the mean of its divisors is an integer number (1650632760).

Almost surely, 2^12544808862 is an apocalyptic number.

12544808862 is an abundant number, since it is smaller than the sum of its proper divisors (13865315298).

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

12544808862 is a wasteful number, since it uses less digits than its factorization.

12544808862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110042207.

The product of its (nonzero) digits is 983040, while the sum is 48.

The spelling of 12544808862 in words is "twelve billion, five hundred forty-four million, eight hundred eight thousand, eight hundred sixty-two".