3201121220000 has 120 divisors (see below), whose sum is σ = 8591169720672. Its totient is φ = 1164044000000.

The previous prime is 3201121219981. The next prime is 3201121220051. The reversal of 3201121220000 is 221211023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7055276 + ... + 7495275.

Almost surely, 2^{3201121220000} is an apocalyptic number.

It is an amenable number.

3201121220000 is an abundant number, since it is smaller than the sum of its proper divisors (5390048500672).

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

3201121220000 is a wasteful number, since it uses less digits than its factorization.

3201121220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14550592 (or 14550569 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 3201121220000 its reverse (221211023), we get a palindrome (3201342431023).

The spelling of 3201121220000 in words is "three trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty thousand".