12975378054 has 32 divisors (see below), whose sum is σ = 26624526720. Its totient is φ = 4213363392.

The previous prime is 12975378049. The next prime is 12975378071. The reversal of 12975378054 is 45087357921.

It is a junction number, because it is equal to n+sod(n) for n = 12975377988 and 12975378006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31434 + ... + 164130.

It is an arithmetic number, because the mean of its divisors is an integer number (832016460).

Almost surely, 2^12975378054 is an apocalyptic number.

12975378054 is an abundant number, since it is smaller than the sum of its proper divisors (13649148666).

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

12975378054 is a wasteful number, since it uses less digits than its factorization.

12975378054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133124.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 12975378054 in words is "twelve billion, nine hundred seventy-five million, three hundred seventy-eight thousand, fifty-four".