312123331229 has 8 divisors (see below), whose sum is σ = 316437112992. Its totient is φ = 307822722480.

The previous prime is 312123331211. The next prime is 312123331259. The reversal of 312123331229 is 922133321213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312123331229 - 2³⁶ = 243403854493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312123331195 and 312123331204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312123331259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245534 + ... + 3340319.

It is an arithmetic number, because the mean of its divisors is an integer number (39554639124).

Almost surely, 2^312123331229 is an apocalyptic number.

It is an amenable number.

312123331229 is a deficient number, since it is larger than the sum of its proper divisors (4313781763).

312123331229 is an equidigital number, since it uses as much as digits as its factorization.

312123331229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586507.

The product of its digits is 11664, while the sum is 32.

The spelling of 312123331229 in words is "three hundred twelve billion, one hundred twenty-three million, three hundred thirty-one thousand, two hundred twenty-nine".