212120222222202 has 64 divisors (see below), whose sum is σ = 488113315142400. Its totient is φ = 60197412985344.

The previous prime is 212120222222197. The next prime is 212120222222219. The reversal of 212120222222202 is 202222222021212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243332788 + ... + 244202960.

It is an arithmetic number, because the mean of its divisors is an integer number (7626770549100).

Almost surely, 2^{212120222222202} is an apocalyptic number.

212120222222202 is an abundant number, since it is smaller than the sum of its proper divisors (275993092920198).

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

212120222222202 is a wasteful number, since it uses less digits than its factorization.

212120222222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909287.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 212120222222202 its reverse (202222222021212), we get a palindrome (414342444243414).

The spelling of 212120222222202 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred two".