212233022122 has 32 divisors (see below), whose sum is σ = 351419523840. Its totient is φ = 95323979520.

The previous prime is 212233022119. The next prime is 212233022161. The reversal of 212233022122 is 221220332212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 212233022093 and 212233022102.

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, 3065278 + ... + 3133750.

It is an arithmetic number, because the mean of its divisors is an integer number (10981860120).

Almost surely, 2^212233022122 is an apocalyptic number.

212233022122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212233022122 is a deficient number, since it is larger than the sum of its proper divisors (139186501718).

212233022122 is a wasteful number, since it uses less digits than its factorization.

212233022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70158.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 212233022122 its reverse (221220332212), we get a palindrome (433453354334).

The spelling of 212233022122 in words is "two hundred twelve billion, two hundred thirty-three million, twenty-two thousand, one hundred twenty-two".