13221203032122 has 64 divisors (see below), whose sum is σ = 26723633650560. Its totient is φ = 4360493088000.

The previous prime is 13221203032091. The next prime is 13221203032171. The reversal of 13221203032122 is 22123030212231.

It is a junction number, because it is equal to n+sod(n) for n = 13221203032092 and 13221203032101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181321872 + ... + 181394772.

It is an arithmetic number, because the mean of its divisors is an integer number (417556775790).

Almost surely, 2^{13221203032122} is an apocalyptic number.

13221203032122 is an abundant number, since it is smaller than the sum of its proper divisors (13502430618438).

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

13221203032122 is a wasteful number, since it uses less digits than its factorization.

13221203032122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73919.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13221203032122 its reverse (22123030212231), we get a palindrome (35344233244353).

The spelling of 13221203032122 in words is "thirteen trillion, two hundred twenty-one billion, two hundred three million, thirty-two thousand, one hundred twenty-two".