122131323013 has 4 divisors (see below), whose sum is σ = 139578654880. Its totient is φ = 104683991148.

The previous prime is 122131322921. The next prime is 122131323023. The reversal of 122131323013 is 310323131221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122131323013 - 2⁹ = 122131322501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122131323023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8723665923 + ... + 8723665936.

It is an arithmetic number, because the mean of its divisors is an integer number (34894663720).

Almost surely, 2^122131323013 is an apocalyptic number.

It is an amenable number.

122131323013 is a deficient number, since it is larger than the sum of its proper divisors (17447331867).

122131323013 is an equidigital number, since it uses as much as digits as its factorization.

122131323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17447331866.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 122131323013 its reverse (310323131221), we get a palindrome (432454454234).

The spelling of 122131323013 in words is "one hundred twenty-two billion, one hundred thirty-one million, three hundred twenty-three thousand, thirteen".