312203021020027 has 2 divisors, whose sum is σ = 312203021020028. Its totient is φ = 312203021020026.

The previous prime is 312203021019971. The next prime is 312203021020031. The reversal of 312203021020027 is 720020120302213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312203021020027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312203021019983 and 312203021020010.

It is not a weakly prime, because it can be changed into another prime (312203021020057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156101510510013 + 156101510510014.

It is an arithmetic number, because the mean of its divisors is an integer number (156101510510014).

Almost surely, 2^{312203021020027} is an apocalyptic number.

312203021020027 is a deficient number, since it is larger than the sum of its proper divisors (1).

312203021020027 is an equidigital number, since it uses as much as digits as its factorization.

312203021020027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 312203021020027 in words is "three hundred twelve trillion, two hundred three billion, twenty-one million, twenty thousand, twenty-seven".