120021122200012 has 144 divisors (see below), whose sum is σ = 237096330176160. Its totient is φ = 52710636211200.

The previous prime is 120021122199977. The next prime is 120021122200013. The reversal of 120021122200012 is 210002221120021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120021122200013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2609755914 + ... + 2609801902.

It is an arithmetic number, because the mean of its divisors is an integer number (1646502292890).

Almost surely, 2^{120021122200012} is an apocalyptic number.

It is an amenable number.

120021122200012 is a deficient number, since it is larger than the sum of its proper divisors (117075207976148).

120021122200012 is a wasteful number, since it uses less digits than its factorization.

120021122200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46392 (or 46323 counting only the distinct ones).

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

Adding to 120021122200012 its reverse (210002221120021), we get a palindrome (330023343320033).

The spelling of 120021122200012 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-two million, two hundred thousand, twelve".