312012707 has 2 divisors, whose sum is σ = 312012708. Its totient is φ = 312012706.

The previous prime is 312012703. The next prime is 312012719. The reversal of 312012707 is 707210213.

It is a weak prime.

It is an emirp because it is prime and its reverse (707210213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312012707 - 2² = 312012703 is a prime.

It is not a weakly prime, because it can be changed into another prime (312012703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156006353 + 156006354.

It is an arithmetic number, because the mean of its divisors is an integer number (156006354).

Almost surely, 2^312012707 is an apocalyptic number.

312012707 is a deficient number, since it is larger than the sum of its proper divisors (1).

312012707 is an equidigital number, since it uses as much as digits as its factorization.

312012707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 312012707 is about 17663.8814251002. The cubic root of 312012707 is about 678.2514961966.

The spelling of 312012707 in words is "three hundred twelve million, twelve thousand, seven hundred seven".