12655875372 has 96 divisors (see below), whose sum is σ = 33991340544. Its totient is φ = 3590092800.

The previous prime is 12655875329. The next prime is 12655875391. The reversal of 12655875372 is 27357855621.

It is a happy number.

12655875372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12655875372² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11927722 + ... + 11928782.

It is an arithmetic number, because the mean of its divisors is an integer number (354076464).

Almost surely, 2^12655875372 is an apocalyptic number.

12655875372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12655875372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16995670272).

12655875372 is an abundant number, since it is smaller than the sum of its proper divisors (21335465172).

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

12655875372 is a wasteful number, since it uses less digits than its factorization.

12655875372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959 (or 1957 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 51.

It can be divided in two parts, 126558 and 75372, that added together give a triangular number (201930 = T₆₃₅).

The spelling of 12655875372 in words is "twelve billion, six hundred fifty-five million, eight hundred seventy-five thousand, three hundred seventy-two".