220122132212 has 6 divisors (see below), whose sum is σ = 385213731378. Its totient is φ = 110061066104.

The previous prime is 220122132193. The next prime is 220122132259. The reversal of 220122132212 is 212231221022.

220122132212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 190701649636 + 29420482576 = 436694^2 + 171524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27515266523 + ... + 27515266530.

It is an arithmetic number, because the mean of its divisors is an integer number (64202288563).

Almost surely, 2^220122132212 is an apocalyptic number.

It is an amenable number.

220122132212 is a deficient number, since it is larger than the sum of its proper divisors (165091599166).

220122132212 is a wasteful number, since it uses less digits than its factorization.

220122132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55030533057 (or 55030533055 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 220122132212 its reverse (212231221022), we get a palindrome (432353353234).

The spelling of 220122132212 in words is "two hundred twenty billion, one hundred twenty-two million, one hundred thirty-two thousand, two hundred twelve".