212112211122013 has 16 divisors (see below), whose sum is σ = 218475488966400. Its totient is φ = 205842115814400.

The previous prime is 212112211121953. The next prime is 212112211122029. The reversal of 212112211122013 is 310221112211212.

It is a cyclic number.

It is not a de Polignac number, because 212112211122013 - 2³³ = 212103621187421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112211152013) 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, 23116045 + ... + 30960877.

It is an arithmetic number, because the mean of its divisors is an integer number (13654718060400).

Almost surely, 2^{212112211122013} is an apocalyptic number.

It is an amenable number.

212112211122013 is a deficient number, since it is larger than the sum of its proper divisors (6363277844387).

212112211122013 is an equidigital number, since it uses as much as digits as its factorization.

212112211122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850772.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 212112211122013 its reverse (310221112211212), we get a palindrome (522333323333225).

The spelling of 212112211122013 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, thirteen".