1912130568 has 48 divisors (see below), whose sum is σ = 5181012720. Its totient is φ = 637090656.

The previous prime is 1912130551. The next prime is 1912130581. The reversal of 1912130568 is 8650312191.

1912130568 is a `hidden beast` number, since 1 + 91 + 2 + 1 + 3 + 0 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208855 + ... + 217817.

It is an arithmetic number, because the mean of its divisors is an integer number (107937765).

Almost surely, 2^1912130568 is an apocalyptic number.

1912130568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1912130568 is an abundant number, since it is smaller than the sum of its proper divisors (3268882152).

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

1912130568 is a wasteful number, since it uses less digits than its factorization.

1912130568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11938 (or 11931 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1912130568 is about 43727.9152029913. The cubic root of 1912130568 is about 1241.1926108375.

The spelling of 1912130568 in words is "one billion, nine hundred twelve million, one hundred thirty thousand, five hundred sixty-eight".