220220211112212 has 12 divisors (see below), whose sum is σ = 513847159261856. Its totient is φ = 73406737037400.

The previous prime is 220220211112177. The next prime is 220220211112261. The reversal of 220220211112212 is 212211112022022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9175842129664 + ... + 9175842129687.

Almost surely, 2^{220220211112212} is an apocalyptic number.

It is an amenable number.

220220211112212 is an abundant number, since it is smaller than the sum of its proper divisors (293626948149644).

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

220220211112212 is a wasteful number, since it uses less digits than its factorization.

220220211112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18351684259358 (or 18351684259356 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220220211112212 its reverse (212211112022022), we get a palindrome (432431323134234).

The spelling of 220220211112212 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred eleven million, one hundred twelve thousand, two hundred twelve".