312120030997007 has 2 divisors, whose sum is σ = 312120030997008. Its totient is φ = 312120030997006.

The previous prime is 312120030996959. The next prime is 312120030997009. The reversal of 312120030997007 is 700799030021213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312120030997007 - 2²⁴ = 312120014219791 is a prime.

It is a super-2 number, since 2×312120030997007² (a number of 30 digits) contains 22 as substring.

Together with 312120030997009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312120030997009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156060015498503 + 156060015498504.

It is an arithmetic number, because the mean of its divisors is an integer number (156060015498504).

Almost surely, 2^{312120030997007} is an apocalyptic number.

312120030997007 is a deficient number, since it is larger than the sum of its proper divisors (1).

312120030997007 is an equidigital number, since it uses as much as digits as its factorization.

312120030997007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 44.

The spelling of 312120030997007 in words is "three hundred twelve trillion, one hundred twenty billion, thirty million, nine hundred ninety-seven thousand, seven".