12220121010202 has 48 divisors (see below), whose sum is σ = 22036326877440. Its totient is φ = 5062351694400.

The previous prime is 12220121010137. The next prime is 12220121010217. The reversal of 12220121010202 is 20201012102221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268302 + ... + 4950982.

It is an arithmetic number, because the mean of its divisors is an integer number (459090143280).

Almost surely, 2^{12220121010202} is an apocalyptic number.

12220121010202 is a deficient number, since it is larger than the sum of its proper divisors (9816205867238).

12220121010202 is a wasteful number, since it uses less digits than its factorization.

12220121010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683587 (or 4683580 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12220121010202 its reverse (20201012102221), we get a palindrome (32421133112423).

The spelling of 12220121010202 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, ten thousand, two hundred two".