12502222123321 has 32 divisors (see below), whose sum is σ = 15032272320000. Its totient is φ = 10166059284480.

The previous prime is 12502222123309. The next prime is 12502222123393. The reversal of 12502222123321 is 12332122220521.

12502222123321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12502222123321 - 2⁴³ = 3706129101113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12502222123321.

It is not an unprimeable number, because it can be changed into a prime (12502222123421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15462505 + ... + 16250953.

It is an arithmetic number, because the mean of its divisors is an integer number (469758510000).

Almost surely, 2^{12502222123321} is an apocalyptic number.

It is an amenable number.

12502222123321 is a deficient number, since it is larger than the sum of its proper divisors (2530050196679).

12502222123321 is a wasteful number, since it uses less digits than its factorization.

12502222123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789289.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12502222123321 its reverse (12332122220521), we get a palindrome (24834344343842).

The spelling of 12502222123321 in words is "twelve trillion, five hundred two billion, two hundred twenty-two million, one hundred twenty-three thousand, three hundred twenty-one".