312120294 has 16 divisors (see below), whose sum is σ = 624436032. Its totient is φ = 104007528.

The previous prime is 312120293. The next prime is 312120311. The reversal of 312120294 is 492021213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312120293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20217 + ... + 32139.

It is an arithmetic number, because the mean of its divisors is an integer number (39027252).

Almost surely, 2^312120294 is an apocalyptic number.

312120294 is an abundant number, since it is smaller than the sum of its proper divisors (312315738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312120294 is a wasteful number, since it uses less digits than its factorization.

312120294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16291.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 312120294 is about 17666.9265578368. The cubic root of 312120294 is about 678.3294445798.

The spelling of 312120294 in words is "three hundred twelve million, one hundred twenty thousand, two hundred ninety-four".