220220201212112 has 20 divisors (see below), whose sum is σ = 429791067880836. Its totient is φ = 109306377242880.

The previous prime is 220220201212097. The next prime is 220220201212159. The reversal of 220220201212112 is 211212102022022.

It can be written as a sum of positive squares in 2 ways, for example, as 145481133141136 + 74739068070976 = 12061556^2 + 8645176^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50232707939 + ... + 50232712322.

Almost surely, 2^{220220201212112} is an apocalyptic number.

It is an amenable number.

220220201212112 is a deficient number, since it is larger than the sum of its proper divisors (209570866668724).

220220201212112 is a wasteful number, since it uses less digits than its factorization.

220220201212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100465420406 (or 100465420400 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220220201212112 its reverse (211212102022022), we get a palindrome (431432303234134).

The spelling of 220220201212112 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred one million, two hundred twelve thousand, one hundred twelve".