212411312144222 has 64 divisors (see below), whose sum is σ = 333590137793280. Its totient is φ = 101372089862400.

The previous prime is 212411312144177. The next prime is 212411312144299. The reversal of 212411312144222 is 222441213114212.

It is a happy number.

It is a super-2 number, since 2×212411312144222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 215931533 + ... + 216912999.

It is an arithmetic number, because the mean of its divisors is an integer number (5212345903020).

Almost surely, 2^{212411312144222} is an apocalyptic number.

212411312144222 is a deficient number, since it is larger than the sum of its proper divisors (121178825649058).

212411312144222 is a wasteful number, since it uses less digits than its factorization.

212411312144222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981977.

The product of its digits is 12288, while the sum is 32.

Adding to 212411312144222 its reverse (222441213114212), we get a palindrome (434852525258434).

The spelling of 212411312144222 in words is "two hundred twelve trillion, four hundred eleven billion, three hundred twelve million, one hundred forty-four thousand, two hundred twenty-two".