12819757146 has 32 divisors (see below), whose sum is σ = 29332205568. Its totient is φ = 3659049840.

The previous prime is 12819757087. The next prime is 12819757163. The reversal of 12819757146 is 64175791821.

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, 113970 + ... + 196541.

It is an arithmetic number, because the mean of its divisors is an integer number (916631424).

Almost surely, 2^12819757146 is an apocalyptic number.

12819757146 is an abundant number, since it is smaller than the sum of its proper divisors (16512448422).

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

12819757146 is a wasteful number, since it uses less digits than its factorization.

12819757146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311506.

The product of its digits is 846720, while the sum is 51.

The spelling of 12819757146 in words is "twelve billion, eight hundred nineteen million, seven hundred fifty-seven thousand, one hundred forty-six".