122312131001 has 4 divisors (see below), whose sum is σ = 128749611600. Its totient is φ = 115874650404.

The previous prime is 122312130979. The next prime is 122312131061. The reversal of 122312131001 is 100131213221.

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 a de Polignac number, because none of the positive numbers 2^k-122312131001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122312131061) 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, 3218740271 + ... + 3218740308.

It is an arithmetic number, because the mean of its divisors is an integer number (32187402900).

Almost surely, 2^122312131001 is an apocalyptic number.

It is an amenable number.

122312131001 is a deficient number, since it is larger than the sum of its proper divisors (6437480599).

122312131001 is an equidigital number, since it uses as much as digits as its factorization.

122312131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437480598.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122312131001 its reverse (100131213221), we get a palindrome (222443344222).

The spelling of 122312131001 in words is "one hundred twenty-two billion, three hundred twelve million, one hundred thirty-one thousand, one".