212112110122 has 16 divisors (see below), whose sum is σ = 347152015872. Its totient is φ = 96398075520.

The previous prime is 212112110081. The next prime is 212112110137. The reversal of 212112110122 is 221011211212.

It is a junction number, because it is equal to n+sod(n) for n = 212112110096 and 212112110105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694218 + ... + 951925.

It is an arithmetic number, because the mean of its divisors is an integer number (21697000992).

Almost surely, 2^212112110122 is an apocalyptic number.

212112110122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212112110122 is a deficient number, since it is larger than the sum of its proper divisors (135039905750).

212112110122 is a wasteful number, since it uses less digits than its factorization.

212112110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652013.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212112110122 its reverse (221011211212), we get a palindrome (433123321334).

The spelling of 212112110122 in words is "two hundred twelve billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-two".