220010012122212 has 72 divisors (see below), whose sum is σ = 602225073315320. Its totient is φ = 67321380648960.

The previous prime is 220010012122183. The next prime is 220010012122399. The reversal of 220010012122212 is 212221210010022.

It is a happy number.

220010012122212 is a `hidden beast` number, since 220 + 0 + 10 + 0 + 1 + 212 + 221 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1141493796 + 220008870628416 = 33786^2 + 14832696^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1298553037 + ... + 1298722452.

Almost surely, 2^{220010012122212} is an apocalyptic number.

It is an amenable number.

220010012122212 is an abundant number, since it is smaller than the sum of its proper divisors (382215061193108).

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

220010012122212 is a wasteful number, since it uses less digits than its factorization.

220010012122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597275693 (or 2597275688 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220010012122212 its reverse (212221210010022), we get a palindrome (432231222132234).

The spelling of 220010012122212 in words is "two hundred twenty trillion, ten billion, twelve million, one hundred twenty-two thousand, two hundred twelve".