12945107064 has 32 divisors (see below), whose sum is σ = 32696410320. Its totient is φ = 4270550016.

The previous prime is 12945107047. The next prime is 12945107101. The reversal of 12945107064 is 46070154921.

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, 2777979 + ... + 2782634.

Almost surely, 2^12945107064 is an apocalyptic number.

It is an amenable number.

12945107064 is an abundant number, since it is smaller than the sum of its proper divisors (19751303256).

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

12945107064 is a wasteful number, since it uses less digits than its factorization.

12945107064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560719 (or 5560715 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 12945107064 in words is "twelve billion, nine hundred forty-five million, one hundred seven thousand, sixty-four".