12087070544 has 20 divisors (see below), whose sum is σ = 24226241460. Its totient is φ = 5835137280.

The previous prime is 12087070507. The next prime is 12087070549. The reversal of 12087070544 is 44507078021.

It can be written as a sum of positive squares in 2 ways, for example, as 3948865600 + 8138204944 = 62840^2 + 90212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12087070498 and 12087070507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12087070549) 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, 13024397 + ... + 13025324.

It is an arithmetic number, because the mean of its divisors is an integer number (1211312073).

Almost surely, 2^12087070544 is an apocalyptic number.

It is an amenable number.

12087070544 is an abundant number, since it is smaller than the sum of its proper divisors (12139170916).

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

12087070544 is a wasteful number, since it uses less digits than its factorization.

12087070544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26049758 (or 26049752 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The spelling of 12087070544 in words is "twelve billion, eighty-seven million, seventy thousand, five hundred forty-four".