212110122211212 has 24 divisors (see below), whose sum is σ = 495061749661696. Its totient is φ = 70683641046288.

The previous prime is 212110122211153. The next prime is 212110122211231. The reversal of 212110122211212 is 212112221011212.

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, 2466583228 + ... + 2466669219.

Almost surely, 2^{212110122211212} is an apocalyptic number.

It is an amenable number.

212110122211212 is an abundant number, since it is smaller than the sum of its proper divisors (282951627450484).

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

212110122211212 is a wasteful number, since it uses less digits than its factorization.

212110122211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933256037 (or 4933256035 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212110122211212 its reverse (212112221011212), we get a palindrome (424222343222424).

The spelling of 212110122211212 in words is "two hundred twelve trillion, one hundred ten billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twelve".