12885901836 has 24 divisors (see below), whose sum is σ = 30069439344. Its totient is φ = 4294967040.

The previous prime is 12885901813. The next prime is 12885901841. The reversal of 12885901836 is 63810958821.

It is a super-2 number, since 2×12885901836² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157216 + ... + 224696.

It is an arithmetic number, because the mean of its divisors is an integer number (1252893306).

Almost surely, 2^12885901836 is an apocalyptic number.

It is an amenable number.

12885901836 is an abundant number, since it is smaller than the sum of its proper divisors (17183537508).

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

12885901836 is a wasteful number, since it uses less digits than its factorization.

12885901836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83401 (or 83399 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 12885901836 in words is "twelve billion, eight hundred eighty-five million, nine hundred one thousand, eight hundred thirty-six".