12502122240 has 72 divisors (see below), whose sum is σ = 39928665168. Its totient is φ = 3333898240.

The previous prime is 12502122229. The next prime is 12502122253. The reversal of 12502122240 is 4222120521.

12502122240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1624041 + ... + 1631720.

It is an arithmetic number, because the mean of its divisors is an integer number (554564794).

Almost surely, 2^12502122240 is an apocalyptic number.

12502122240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12502122240 is an abundant number, since it is smaller than the sum of its proper divisors (27426542928).

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

12502122240 is an equidigital number, since it uses as much as digits as its factorization.

12502122240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255785 (or 3255771 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 12502122240 its reverse (4222120521), we get a palindrome (16724242761).

The spelling of 12502122240 in words is "twelve billion, five hundred two million, one hundred twenty-two thousand, two hundred forty".