122220122112112 has 10 divisors (see below), whose sum is σ = 236801486592248. Its totient is φ = 61110061056048.

The previous prime is 122220122112047. The next prime is 122220122112167. The reversal of 122220122112112 is 211211221022221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3819378815988 + ... + 3819378816019.

Almost surely, 2^{122220122112112} is an apocalyptic number.

It is an amenable number.

122220122112112 is a deficient number, since it is larger than the sum of its proper divisors (114581364480136).

122220122112112 is an equidigital number, since it uses as much as digits as its factorization.

122220122112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638757632015 (or 7638757632009 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122220122112112 its reverse (211211221022221), we get a palindrome (333431343134333).

The spelling of 122220122112112 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twelve".