202112211122212 has 24 divisors (see below), whose sum is σ = 363670036322040. Its totient is φ = 98224811984640.

The previous prime is 202112211122197. The next prime is 202112211122257. The reversal of 202112211122212 is 212221112211202.

202112211122212 is digitally balanced in base 2, 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 4 ways, for example, as 7531863091776 + 194580348030436 = 2744424^2 + 13949206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290646463 + ... + 2290734694.

It is an arithmetic number, because the mean of its divisors is an integer number (15152918180085).

Almost surely, 2^{202112211122212} is an apocalyptic number.

It is an amenable number.

202112211122212 is a deficient number, since it is larger than the sum of its proper divisors (161557825199828).

202112211122212 is a wasteful number, since it uses less digits than its factorization.

202112211122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581381471 (or 4581381469 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 202112211122212 its reverse (212221112211202), we get a palindrome (414333323333414).

The spelling of 202112211122212 in words is "two hundred two trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twelve".