212220121022212 has 12 divisors (see below), whose sum is σ = 371385550426716. Its totient is φ = 106109963757440.

The previous prime is 212220121022141. The next prime is 212220121022269.

212220121022212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 25725427456576 + 186494693565636 = 5072024^2 + 13656306^2 .

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, 19135993 + ... + 28118080.

It is an arithmetic number, because the mean of its divisors is an integer number (30948795868893).

Almost surely, 2^{212220121022212} is an apocalyptic number.

It is an amenable number.

212220121022212 is a deficient number, since it is larger than the sum of its proper divisors (159165429404504).

212220121022212 is a wasteful number, since it uses less digits than its factorization.

212220121022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48376838 (or 48376836 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 212220121022212 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred twenty-one million, twenty-two thousand, two hundred twelve".