12220001221002 has 32 divisors (see below), whose sum is σ = 24586795320192. Its totient is φ = 4048869145344.

The previous prime is 12220001220989. The next prime is 12220001221061. The reversal of 12220001221002 is 20012210002221.

12220001221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106692838 + ... + 106807310.

It is an arithmetic number, because the mean of its divisors is an integer number (768337353756).

Almost surely, 2^{12220001221002} is an apocalyptic number.

12220001221002 is an abundant number, since it is smaller than the sum of its proper divisors (12366794099190).

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

12220001221002 is a wasteful number, since it uses less digits than its factorization.

12220001221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221182.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220001221002 its reverse (20012210002221), we get a palindrome (32232211223223).

The spelling of 12220001221002 in words is "twelve trillion, two hundred twenty billion, one million, two hundred twenty-one thousand, two".