220212100012112 has 80 divisors (see below), whose sum is σ = 460497834616848. Its totient is φ = 101411670712320.

The previous prime is 220212100012067. The next prime is 220212100012129. The reversal of 220212100012112 is 211210001212022.

It can be written as a sum of positive squares in 8 ways, for example, as 50674409011216 + 169537691000896 = 7118596^2 + 13020664^2 .

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, 179448488 + ... + 180671480.

Almost surely, 2^{220212100012112} is an apocalyptic number.

It is an amenable number.

220212100012112 is an abundant number, since it is smaller than the sum of its proper divisors (240285734604736).

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

220212100012112 is a wasteful number, since it uses less digits than its factorization.

220212100012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224928 (or 1224922 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220212100012112 its reverse (211210001212022), we get a palindrome (431422101224134).

The spelling of 220212100012112 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred million, twelve thousand, one hundred twelve".