212222334120 has 64 divisors (see below), whose sum is σ = 653874232320. Its totient is φ = 55063090944.

The previous prime is 212222334017. The next prime is 212222334169. The reversal of 212222334120 is 21433222212.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 23894472 + ... + 23903351.

It is an arithmetic number, because the mean of its divisors is an integer number (10216784880).

Almost surely, 2^212222334120 is an apocalyptic number.

212222334120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222334120 is an abundant number, since it is smaller than the sum of its proper divisors (441651898200).

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

212222334120 is a wasteful number, since it uses less digits than its factorization.

212222334120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47797874 (or 47797870 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212222334120 its reverse (21433222212), we get a palindrome (233655556332).

The spelling of 212222334120 in words is "two hundred twelve billion, two hundred twenty-two million, three hundred thirty-four thousand, one hundred twenty".