312212300231123 has 32 divisors (see below), whose sum is σ = 316363069440000. Its totient is φ = 308093438298240.

The previous prime is 312212300231081. The next prime is 312212300231173. The reversal of 312212300231123 is 321132003212213.

It is a cyclic number.

It is not a de Polignac number, because 312212300231123 - 2²⁰ = 312212299182547 is a prime.

It is a super-2 number, since 2×312212300231123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312212300231092 and 312212300231101.

It is not an unprimeable number, because it can be changed into a prime (312212300231173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39878946173 + ... + 39878954001.

It is an arithmetic number, because the mean of its divisors is an integer number (9886345920000).

Almost surely, 2^{312212300231123} is an apocalyptic number.

312212300231123 is a deficient number, since it is larger than the sum of its proper divisors (4150769208877).

312212300231123 is a wasteful number, since it uses less digits than its factorization.

312212300231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10515.

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

Adding to 312212300231123 its reverse (321132003212213), we get a palindrome (633344303443336).

The spelling of 312212300231123 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred million, two hundred thirty-one thousand, one hundred twenty-three".