12978232094 has 16 divisors (see below), whose sum is σ = 19639944720. Its totient is φ = 6431705280.

The previous prime is 12978232087. The next prime is 12978232109. The reversal of 12978232094 is 49023287921.

It is a happy number.

It is a congruent number.

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, 187322 + ... + 247074.

It is an arithmetic number, because the mean of its divisors is an integer number (1227496545).

Almost surely, 2^12978232094 is an apocalyptic number.

12978232094 is a deficient number, since it is larger than the sum of its proper divisors (6661712626).

12978232094 is a wasteful number, since it uses less digits than its factorization.

12978232094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60715.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 12978232094 in words is "twelve billion, nine hundred seventy-eight million, two hundred thirty-two thousand, ninety-four".