312012000310321 has 32 divisors (see below), whose sum is σ = 344620329984000. Its totient is φ = 281168298214848.

The previous prime is 312012000310303. The next prime is 312012000310331. The reversal of 312012000310321 is 123013000210213.

It is not a de Polignac number, because 312012000310321 - 2¹³ = 312012000302129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (312012000310331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82103176 + ... + 85819318.

It is an arithmetic number, because the mean of its divisors is an integer number (10769385312000).

Almost surely, 2^{312012000310321} is an apocalyptic number.

It is an amenable number.

312012000310321 is a deficient number, since it is larger than the sum of its proper divisors (32608329673679).

312012000310321 is a wasteful number, since it uses less digits than its factorization.

312012000310321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717253.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312012000310321 its reverse (123013000210213), we get a palindrome (435025000520534).

The spelling of 312012000310321 in words is "three hundred twelve trillion, twelve billion, three hundred ten thousand, three hundred twenty-one".