12599505960 has 32 divisors (see below), whose sum is σ = 37798518240. Its totient is φ = 3359868224.

The previous prime is 12599505959. The next prime is 12599505973. The reversal of 12599505960 is 6950599521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52497822 + ... + 52498061.

It is an arithmetic number, because the mean of its divisors is an integer number (1181203695).

Almost surely, 2^12599505960 is an apocalyptic number.

12599505960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12599505960 is an abundant number, since it is smaller than the sum of its proper divisors (25199012280).

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

12599505960 is a wasteful number, since it uses less digits than its factorization.

12599505960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104995897 (or 104995893 counting only the distinct ones).

The product of its (nonzero) digits is 1093500, while the sum is 51.

The spelling of 12599505960 in words is "twelve billion, five hundred ninety-nine million, five hundred five thousand, nine hundred sixty".