312404104404121 has 4 divisors (see below), whose sum is σ = 312404304112912. Its totient is φ = 312403904695332.

The previous prime is 312404104404089. The next prime is 312404104404247. The reversal of 312404104404121 is 121404401404213.

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 312404104404121 - 2⁵ = 312404104404089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312404104401121) 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, 97489275 + ... + 100642768.

It is an arithmetic number, because the mean of its divisors is an integer number (78101076028228).

Almost surely, 2^{312404104404121} is an apocalyptic number.

It is an amenable number.

312404104404121 is a deficient number, since it is larger than the sum of its proper divisors (199708791).

312404104404121 is a wasteful number, since it uses less digits than its factorization.

312404104404121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199708790.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 312404104404121 its reverse (121404401404213), we get a palindrome (433808505808334).

The spelling of 312404104404121 in words is "three hundred twelve trillion, four hundred four billion, one hundred four million, four hundred four thousand, one hundred twenty-one".