212012101122 has 64 divisors (see below), whose sum is σ = 472808793600. Its totient is φ = 62984597760.

The previous prime is 212012101117. The next prime is 212012101127. The reversal of 212012101122 is 221101210212.

It is an interprime number because it is at equal distance from previous prime (212012101117) and next prime (212012101127).

It is not an unprimeable number, because it can be changed into a prime (212012101127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4509597 + ... + 4556367.

It is an arithmetic number, because the mean of its divisors is an integer number (7387637400).

Almost surely, 2^212012101122 is an apocalyptic number.

212012101122 is an abundant number, since it is smaller than the sum of its proper divisors (260796692478).

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

212012101122 is a wasteful number, since it uses less digits than its factorization.

212012101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49151.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212012101122 its reverse (221101210212), we get a palindrome (433113311334).

The spelling of 212012101122 in words is "two hundred twelve billion, twelve million, one hundred one thousand, one hundred twenty-two".