212112212011 has 16 divisors (see below), whose sum is σ = 247913072640. Its totient is φ = 177731704800.

The previous prime is 212112211957. The next prime is 212112212023. The reversal of 212112212011 is 110212211212.

It is a cyclic number.

It is not a de Polignac number, because 212112212011 - 2⁹ = 212112211499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112212071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842991 + ... + 1954696.

It is an arithmetic number, because the mean of its divisors is an integer number (15494567040).

Almost surely, 2^212112212011 is an apocalyptic number.

212112212011 is a deficient number, since it is larger than the sum of its proper divisors (35800860629).

212112212011 is a wasteful number, since it uses less digits than its factorization.

212112212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797874.

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

Adding to 212112212011 its reverse (110212211212), we get a palindrome (322324423223).

The spelling of 212112212011 in words is "two hundred twelve billion, one hundred twelve million, two hundred twelve thousand, eleven".