12599270780 has 24 divisors (see below), whose sum is σ = 26462562000. Its totient is φ = 5038928640.

The previous prime is 12599270779. The next prime is 12599270791. The reversal of 12599270780 is 8707299521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93971 + ... + 184469.

It is an arithmetic number, because the mean of its divisors is an integer number (1102606750).

Almost surely, 2^12599270780 is an apocalyptic number.

12599270780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12599270780 is an abundant number, since it is smaller than the sum of its proper divisors (13863291220).

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

12599270780 is a wasteful number, since it uses less digits than its factorization.

12599270780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97469 (or 97467 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 50.

The spelling of 12599270780 in words is "twelve billion, five hundred ninety-nine million, two hundred seventy thousand, seven hundred eighty".