212012111101122 has 96 divisors (see below), whose sum is σ = 475776150632640. Its totient is φ = 68186649484800.

The previous prime is 212012111101111. The next prime is 212012111101139. The reversal of 212012111101122 is 221101111210212.

It is a happy number.

212012111101122 is a `hidden beast` number, since 21 + 201 + 211 + 110 + 1 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212012111101095 and 212012111101104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70934998 + ... + 73863374.

It is an arithmetic number, because the mean of its divisors is an integer number (4956001569090).

Almost surely, 2^{212012111101122} is an apocalyptic number.

212012111101122 is an abundant number, since it is smaller than the sum of its proper divisors (263764039531518).

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

212012111101122 is a wasteful number, since it uses less digits than its factorization.

212012111101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929568 (or 2929565 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 212012111101122 its reverse (221101111210212), we get a palindrome (433113222311334).

The spelling of 212012111101122 in words is "two hundred twelve trillion, twelve billion, one hundred eleven million, one hundred one thousand, one hundred twenty-two".