220012212112112 has 80 divisors (see below), whose sum is σ = 494086888290240. Its totient is φ = 92953449179136.

The previous prime is 220012212112103. The next prime is 220012212112129. The reversal of 220012212112112 is 211211212210022.

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, 9957878 + ... + 23220330.

It is an arithmetic number, because the mean of its divisors is an integer number (6176086103628).

Almost surely, 2^{220012212112112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220012212112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247043444145120).

220012212112112 is an abundant number, since it is smaller than the sum of its proper divisors (274074676178128).

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

220012212112112 is a wasteful number, since it uses less digits than its factorization.

220012212112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13264570 (or 13264564 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 220012212112112 its reverse (211211212210022), we get a palindrome (431223424322134).

The spelling of 220012212112112 in words is "two hundred twenty trillion, twelve billion, two hundred twelve million, one hundred twelve thousand, one hundred twelve".