122112133013 has 4 divisors (see below), whose sum is σ = 131505374028. Its totient is φ = 112718892000.

The previous prime is 122112132943. The next prime is 122112133027. The reversal of 122112133013 is 310331211221.

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 51718491889 + 70393641124 = 227417^2 + 265318^2 .

It is not a de Polignac number, because 122112133013 - 2²⁰ = 122111084437 is a prime.

It is a super-2 number, since 2×122112133013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112133043) 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, 4696620488 + ... + 4696620513.

It is an arithmetic number, because the mean of its divisors is an integer number (32876343507).

Almost surely, 2^122112133013 is an apocalyptic number.

122112133013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122112133013 is a deficient number, since it is larger than the sum of its proper divisors (9393241015).

122112133013 is an equidigital number, since it uses as much as digits as its factorization.

122112133013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393241014.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 122112133013 its reverse (310331211221), we get a palindrome (432443344234).

The spelling of 122112133013 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred thirty-three thousand, thirteen".