112002001220 has 48 divisors (see below), whose sum is σ = 238865215680. Its totient is φ = 44104308864.

The previous prime is 112002001213. The next prime is 112002001231. The reversal of 112002001220 is 22100200211.

It is a happy number.

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, 2168051 + ... + 2219109.

It is an arithmetic number, because the mean of its divisors is an integer number (4976358660).

Almost surely, 2^112002001220 is an apocalyptic number.

112002001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112002001220 is an abundant number, since it is smaller than the sum of its proper divisors (126863214460).

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

112002001220 is a wasteful number, since it uses less digits than its factorization.

112002001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52772 (or 52770 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 112002001220 its reverse (22100200211), we get a palindrome (134102201431).

The spelling of 112002001220 in words is "one hundred twelve billion, two million, one thousand, two hundred twenty".