12355699180 has 24 divisors (see below), whose sum is σ = 28305784080. Its totient is φ = 4492981440.

The previous prime is 12355699177. The next prime is 12355699219. The reversal of 12355699180 is 8199655321.

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, 28080915 + ... + 28081354.

It is an arithmetic number, because the mean of its divisors is an integer number (1179407670).

Almost surely, 2^12355699180 is an apocalyptic number.

12355699180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12355699180 is an abundant number, since it is smaller than the sum of its proper divisors (15950084900).

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

12355699180 is a wasteful number, since it uses less digits than its factorization.

12355699180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56162289 (or 56162287 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 12355699180 in words is "twelve billion, three hundred fifty-five million, six hundred ninety-nine thousand, one hundred eighty".