212434304320122 has 16 divisors (see below), whose sum is σ = 424869024807360. Its totient is φ = 70811365412192.

The previous prime is 212434304320111. The next prime is 212434304320127. The reversal of 212434304320122 is 221023403434212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212434304320127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10496622 + ... + 23131097.

It is an arithmetic number, because the mean of its divisors is an integer number (26554314050460).

Almost surely, 2^{212434304320122} is an apocalyptic number.

212434304320122 is an abundant number, since it is smaller than the sum of its proper divisors (212434720487238).

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

212434304320122 is a wasteful number, since it uses less digits than its factorization.

212434304320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34680597.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 212434304320122 its reverse (221023403434212), we get a palindrome (433457707754334).

The spelling of 212434304320122 in words is "two hundred twelve trillion, four hundred thirty-four billion, three hundred four million, three hundred twenty thousand, one hundred twenty-two".