12885862836 has 48 divisors (see below), whose sum is σ = 37486149120. Its totient is φ = 3346977120.

The previous prime is 12885862823. The next prime is 12885862867. The reversal of 12885862836 is 63826858821.

It is a super-2 number, since 2×12885862836² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6971946 + ... + 6973793.

It is an arithmetic number, because the mean of its divisors is an integer number (780961440).

Almost surely, 2^12885862836 is an apocalyptic number.

It is an amenable number.

12885862836 is an abundant number, since it is smaller than the sum of its proper divisors (24600286284).

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

12885862836 is a wasteful number, since it uses less digits than its factorization.

12885862836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13945764 (or 13945762 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 57.

The spelling of 12885862836 in words is "twelve billion, eight hundred eighty-five million, eight hundred sixty-two thousand, eight hundred thirty-six".