122312123113 has 4 divisors (see below), whose sum is σ = 123091181380. Its totient is φ = 121533064848.

The previous prime is 122312123083. The next prime is 122312123119. The reversal of 122312123113 is 311321213221.

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 73122649744 + 49189473369 = 270412^2 + 221787^2 .

It is a cyclic number.

It is not a de Polignac number, because 122312123113 - 2⁵ = 122312123081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122312123119) 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, 389528898 + ... + 389529211.

It is an arithmetic number, because the mean of its divisors is an integer number (30772795345).

Almost surely, 2^122312123113 is an apocalyptic number.

It is an amenable number.

122312123113 is a deficient number, since it is larger than the sum of its proper divisors (779058267).

122312123113 is an equidigital number, since it uses as much as digits as its factorization.

122312123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779058266.

The product of its digits is 432, while the sum is 22.

Adding to 122312123113 its reverse (311321213221), we get a palindrome (433633336334).

The spelling of 122312123113 in words is "one hundred twenty-two billion, three hundred twelve million, one hundred twenty-three thousand, one hundred thirteen".