3112220121200 has 30 divisors (see below), whose sum is σ = 7477108842144. Its totient is φ = 1244888048320.

The previous prime is 3112220121187. The next prime is 3112220121211. The reversal of 3112220121200 is 21210222113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3890274752 + ... + 3890275551.

Almost surely, 2^{3112220121200} is an apocalyptic number.

It is an amenable number.

3112220121200 is an abundant number, since it is smaller than the sum of its proper divisors (4364888720944).

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

3112220121200 is a wasteful number, since it uses less digits than its factorization.

3112220121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780550321 (or 7780550310 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 3112220121200 its reverse (21210222113), we get a palindrome (3133430343313).

The spelling of 3112220121200 in words is "three trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty-one thousand, two hundred".