312130022201 has 2 divisors, whose sum is σ = 312130022202. Its totient is φ = 312130022200.

The previous prime is 312130022123. The next prime is 312130022209. The reversal of 312130022201 is 102220031213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310359295801 + 1770726400 = 557099^2 + 42080^2 .

It is a cyclic number.

It is not a de Polignac number, because 312130022201 - 2³⁰ = 311056280377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312130022201.

It is not a weakly prime, because it can be changed into another prime (312130022209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156065011100 + 156065011101.

It is an arithmetic number, because the mean of its divisors is an integer number (156065011101).

Almost surely, 2^312130022201 is an apocalyptic number.

It is an amenable number.

312130022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

312130022201 is an equidigital number, since it uses as much as digits as its factorization.

312130022201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312130022201 its reverse (102220031213), we get a palindrome (414350053414).

The spelling of 312130022201 in words is "three hundred twelve billion, one hundred thirty million, twenty-two thousand, two hundred one".