312120323230 has 64 divisors (see below), whose sum is σ = 580884696000. Its totient is φ = 120697907200.

The previous prime is 312120323111. The next prime is 312120323233. The reversal of 312120323230 is 32323021213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312120323233) 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 31 ways as a sum of consecutive naturals, for example, 8861334 + ... + 8896486.

It is an arithmetic number, because the mean of its divisors is an integer number (9076323375).

Almost surely, 2^312120323230 is an apocalyptic number.

312120323230 is a deficient number, since it is larger than the sum of its proper divisors (268764372770).

312120323230 is a wasteful number, since it uses less digits than its factorization.

312120323230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35469.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 312120323230 its reverse (32323021213), we get a palindrome (344443344443).

The spelling of 312120323230 in words is "three hundred twelve billion, one hundred twenty million, three hundred twenty-three thousand, two hundred thirty".