12499136244 has 120 divisors (see below), whose sum is σ = 39308660160. Its totient is φ = 3383213184.

The previous prime is 12499136231. The next prime is 12499136317. The reversal of 12499136244 is 44263199421.

12499136244 is a `hidden beast` number, since 1 + 2 + 4 + 9 + 9 + 13 + 624 + 4 = 666.

12499136244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12499136244.

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 39 ways as a sum of consecutive naturals, for example, 101937 + ... + 188120.

It is an arithmetic number, because the mean of its divisors is an integer number (327572168).

Almost surely, 2^12499136244 is an apocalyptic number.

12499136244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12499136244 is an abundant number, since it is smaller than the sum of its proper divisors (26809523916).

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

12499136244 is a wasteful number, since it uses less digits than its factorization.

12499136244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290099 (or 290088 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 12499136244 in words is "twelve billion, four hundred ninety-nine million, one hundred thirty-six thousand, two hundred forty-four".