312501412 has 12 divisors (see below), whose sum is σ = 579046860. Its totient is φ = 147059456.

The previous prime is 312501389. The next prime is 312501433. The reversal of 312501412 is 214105213.

It can be written as a sum of positive squares in 2 ways, for example, as 144384256 + 168117156 = 12016^2 + 12966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312501412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297737 + ... + 2297872.

It is an arithmetic number, because the mean of its divisors is an integer number (48253905).

Almost surely, 2^312501412 is an apocalyptic number.

It is an amenable number.

312501412 is a deficient number, since it is larger than the sum of its proper divisors (266545448).

312501412 is a wasteful number, since it uses less digits than its factorization.

312501412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595630 (or 4595628 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 312501412 is about 17677.7094670096. The cubic root of 312501412 is about 678.6054262159.

Adding to 312501412 its reverse (214105213), we get a palindrome (526606625).

The spelling of 312501412 in words is "three hundred twelve million, five hundred one thousand, four hundred twelve".