312332210032121 has 4 divisors (see below), whose sum is σ = 317452410196644. Its totient is φ = 307212009867600.

The previous prime is 312332210032097. The next prime is 312332210032177. The reversal of 312332210032121 is 121230012233213.

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 120084667639225 + 192247542392896 = 10958315^2 + 13865336^2 .

It is a cyclic number.

It is not a de Polignac number, because 312332210032121 - 2⁶ = 312332210032057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312332210002121) 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, 2560100082170 + ... + 2560100082291.

It is an arithmetic number, because the mean of its divisors is an integer number (79363102549161).

Almost surely, 2^{312332210032121} is an apocalyptic number.

It is an amenable number.

312332210032121 is a deficient number, since it is larger than the sum of its proper divisors (5120200164523).

312332210032121 is an equidigital number, since it uses as much as digits as its factorization.

312332210032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120200164522.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 312332210032121 its reverse (121230012233213), we get a palindrome (433562222265334).

The spelling of 312332210032121 in words is "three hundred twelve trillion, three hundred thirty-two billion, two hundred ten million, thirty-two thousand, one hundred twenty-one".