212240302122 has 32 divisors (see below), whose sum is σ = 425694773952. Its totient is φ = 70544686464.

The previous prime is 212240302117. The next prime is 212240302177. The reversal of 212240302122 is 221203042212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3054438 + ... + 3123150.

It is an arithmetic number, because the mean of its divisors is an integer number (13302961686).

Almost surely, 2^212240302122 is an apocalyptic number.

212240302122 is an abundant number, since it is smaller than the sum of its proper divisors (213454471830).

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

212240302122 is a wasteful number, since it uses less digits than its factorization.

212240302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70182.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 212240302122 its reverse (221203042212), we get a palindrome (433443344334).

The spelling of 212240302122 in words is "two hundred twelve billion, two hundred forty million, three hundred two thousand, one hundred twenty-two".