312120030284 has 12 divisors (see below), whose sum is σ = 546790516608. Its totient is φ = 155894168400.

The previous prime is 312120030283. The next prime is 312120030403. The reversal of 312120030284 is 482030021213.

It is not an unprimeable number, because it can be changed into a prime (312120030283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41457452 + ... + 41464979.

It is an arithmetic number, because the mean of its divisors is an integer number (45565876384).

Almost surely, 2^312120030284 is an apocalyptic number.

It is an amenable number.

312120030284 is a deficient number, since it is larger than the sum of its proper divisors (234670486324).

312120030284 is a wasteful number, since it uses less digits than its factorization.

312120030284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82923376 (or 82923374 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 312120030284 its reverse (482030021213), we get a palindrome (794150051497).

The spelling of 312120030284 in words is "three hundred twelve billion, one hundred twenty million, thirty thousand, two hundred eighty-four".