12199937880 has 128 divisors (see below), whose sum is σ = 39467877120. Its totient is φ = 2999047680.

The previous prime is 12199937861. The next prime is 12199937903. The reversal of 12199937880 is 8873999121.

12199937880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12199937880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260339 + ... + 1269981.

It is an arithmetic number, because the mean of its divisors is an integer number (308342790).

Almost surely, 2^12199937880 is an apocalyptic number.

12199937880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12199937880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19733938560).

12199937880 is an abundant number, since it is smaller than the sum of its proper divisors (27267939240).

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

12199937880 is a wasteful number, since it uses less digits than its factorization.

12199937880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481 (or 10477 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 57.

The spelling of 12199937880 in words is "twelve billion, one hundred ninety-nine million, nine hundred thirty-seven thousand, eight hundred eighty".