212001120122202 has 24 divisors (see below), whose sum is σ = 459517964155380. Its totient is φ = 70639008672960.

The previous prime is 212001120122189. The next prime is 212001120122203. The reversal of 212001120122202 is 202221021100212.

It is a happy number.

212001120122202 is a `hidden beast` number, since 21 + 200 + 1 + 120 + 122 + 202 = 666.

212001120122202 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 2 ways, for example, as 135310659200721 + 76690460921481 = 11632311^2 + 8757309^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212001120122203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2335900677 + ... + 2335991432.

Almost surely, 2^{212001120122202} is an apocalyptic number.

212001120122202 is an abundant number, since it is smaller than the sum of its proper divisors (247516844033178).

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

212001120122202 is a wasteful number, since it uses less digits than its factorization.

212001120122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671894638 (or 4671894635 counting only the distinct ones).

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

Adding to 212001120122202 its reverse (202221021100212), we get a palindrome (414222141222414).

The spelling of 212001120122202 in words is "two hundred twelve trillion, one billion, one hundred twenty million, one hundred twenty-two thousand, two hundred two".