220012112112 has 80 divisors (see below), whose sum is σ = 644300012160. Its totient is φ = 64133081856.

The previous prime is 220012112101. The next prime is 220012112147. The reversal of 220012112112 is 211211210022.

It is a junction number, because it is equal to n+sod(n) for n = 220012112091 and 220012112100.

It is a congruent 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, 9266658 + ... + 9290369.

It is an arithmetic number, because the mean of its divisors is an integer number (8053750152).

Almost surely, 2^220012112112 is an apocalyptic number.

It is an amenable number.

220012112112 is an abundant number, since it is smaller than the sum of its proper divisors (424287900048).

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

220012112112 is a wasteful number, since it uses less digits than its factorization.

220012112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18557070 (or 18557064 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220012112112 its reverse (211211210022), we get a palindrome (431223322134).

The spelling of 220012112112 in words is "two hundred twenty billion, twelve million, one hundred twelve thousand, one hundred twelve".