312212101002089 has 2 divisors, whose sum is σ = 312212101002090. Its totient is φ = 312212101002088.

The previous prime is 312212101002083. The next prime is 312212101002163. The reversal of 312212101002089 is 980200101212213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248534972760064 + 63677128242025 = 15764992^2 + 7979795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312212101002089 is a prime.

It is not a weakly prime, because it can be changed into another prime (312212101002083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106050501044 + 156106050501045.

It is an arithmetic number, because the mean of its divisors is an integer number (156106050501045).

Almost surely, 2^{312212101002089} is an apocalyptic number.

It is an amenable number.

312212101002089 is a deficient number, since it is larger than the sum of its proper divisors (1).

312212101002089 is an equidigital number, since it uses as much as digits as its factorization.

312212101002089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 312212101002089 in words is "three hundred twelve trillion, two hundred twelve billion, one hundred one million, two thousand, eighty-nine".