212112032012113 has 4 divisors (see below), whose sum is σ = 217844789634100. Its totient is φ = 206379274390128.

The previous prime is 212112032012063. The next prime is 212112032012119. The reversal of 212112032012113 is 311210230211212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73552012605009 + 138560019407104 = 8576247^2 + 11771152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212112032012113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212112032012119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866378810938 + ... + 2866378811011.

It is an arithmetic number, because the mean of its divisors is an integer number (54461197408525).

Almost surely, 2^{212112032012113} is an apocalyptic number.

It is an amenable number.

212112032012113 is a deficient number, since it is larger than the sum of its proper divisors (5732757621987).

212112032012113 is an equidigital number, since it uses as much as digits as its factorization.

212112032012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732757621986.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212112032012113 its reverse (311210230211212), we get a palindrome (523322262223325).

The spelling of 212112032012113 in words is "two hundred twelve trillion, one hundred twelve billion, thirty-two million, twelve thousand, one hundred thirteen".