12036878016 has 56 divisors (see below), whose sum is σ = 33720968880. Its totient is φ = 3776274432.

The previous prime is 12036877981. The next prime is 12036878017. The reversal of 12036878016 is 61087863021.

It is not an unprimeable number, because it can be changed into a prime (12036878017) 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, 1840621 + ... + 1847148.

Almost surely, 2^12036878016 is an apocalyptic number.

12036878016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12036878016 is an abundant number, since it is smaller than the sum of its proper divisors (21684090864).

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

12036878016 is a wasteful number, since it uses less digits than its factorization.

12036878016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687801 (or 3687791 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 12036878016 in words is "twelve billion, thirty-six million, eight hundred seventy-eight thousand, sixteen".