3122201221002 has 24 divisors (see below), whose sum is σ = 7058889717984. Its totient is φ = 995484447144.

The previous prime is 3122201220977. The next prime is 3122201221019. The reversal of 3122201221002 is 2001221022213.

3122201221002 is a `hidden beast` number, since 312 + 220 + 122 + 10 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3770774008 + ... + 3770774835.

It is an arithmetic number, because the mean of its divisors is an integer number (294120404916).

Almost surely, 2^{3122201221002} is an apocalyptic number.

3122201221002 is an abundant number, since it is smaller than the sum of its proper divisors (3936688496982).

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

3122201221002 is a wasteful number, since it uses less digits than its factorization.

3122201221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541548874 (or 7541548871 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 3122201221002 its reverse (2001221022213), we get a palindrome (5123422243215).

The spelling of 3122201221002 in words is "three trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, two".