212112021232122 has 32 divisors (see below), whose sum is σ = 469697175926784. Its totient is φ = 63317021262000.

The previous prime is 212112021232117. The next prime is 212112021232151. The reversal of 212112021232122 is 221232120211212.

It is a junction number, because it is equal to n+sod(n) for n = 212112021232092 and 212112021232101.

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, 23983715754 + ... + 23983724597.

It is an arithmetic number, because the mean of its divisors is an integer number (14678036747712).

Almost surely, 2^{212112021232122} is an apocalyptic number.

212112021232122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212112021232122 is an abundant number, since it is smaller than the sum of its proper divisors (257585154694662).

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

212112021232122 is a wasteful number, since it uses less digits than its factorization.

212112021232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47967440434.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 212112021232122 its reverse (221232120211212), we get a palindrome (433344141443334).

The spelling of 212112021232122 in words is "two hundred twelve trillion, one hundred twelve billion, twenty-one million, two hundred thirty-two thousand, one hundred twenty-two".