212012112011122 has 32 divisors (see below), whose sum is σ = 320169165937920. Its totient is φ = 105291298794240.

The previous prime is 212012112011101. The next prime is 212012112011137. The reversal of 212012112011122 is 221110211210212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212012112011122.

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, 4300685578 + ... + 4300734874.

It is an arithmetic number, because the mean of its divisors is an integer number (10005286435560).

Almost surely, 2^{212012112011122} is an apocalyptic number.

212012112011122 is a deficient number, since it is larger than the sum of its proper divisors (108157053926798).

212012112011122 is a wasteful number, since it uses less digits than its factorization.

212012112011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71746.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212012112011122 its reverse (221110211210212), we get a palindrome (433122323221334).

The spelling of 212012112011122 in words is "two hundred twelve trillion, twelve billion, one hundred twelve million, eleven thousand, one hundred twenty-two".