312078412 has 6 divisors (see below), whose sum is σ = 546137228. Its totient is φ = 156039204.

The previous prime is 312078407. The next prime is 312078427. The reversal of 312078412 is 214870213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39009798 + ... + 39009805.

Almost surely, 2^312078412 is an apocalyptic number.

It is an amenable number.

312078412 is a deficient number, since it is larger than the sum of its proper divisors (234058816).

312078412 is a wasteful number, since it uses less digits than its factorization.

312078412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78019607 (or 78019605 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 312078412 is about 17665.7411958853. The cubic root of 312078412 is about 678.2991025769.

The spelling of 312078412 in words is "three hundred twelve million, seventy-eight thousand, four hundred twelve".