312202001042249 has 2 divisors, whose sum is σ = 312202001042250. Its totient is φ = 312202001042248.

The previous prime is 312202001042237. The next prime is 312202001042339. The reversal of 312202001042249 is 942240100202213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273275382667849 + 38926618374400 = 16531043^2 + 6239120^2 .

It is a cyclic number.

It is not a de Polignac number, because 312202001042249 - 2²⁰ = 312201999993673 is a prime.

It is not a weakly prime, because it can be changed into another prime (312202001042549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156101000521124 + 156101000521125.

It is an arithmetic number, because the mean of its divisors is an integer number (156101000521125).

Almost surely, 2^{312202001042249} is an apocalyptic number.

It is an amenable number.

312202001042249 is a deficient number, since it is larger than the sum of its proper divisors (1).

312202001042249 is an equidigital number, since it uses as much as digits as its factorization.

312202001042249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 312202001042249 in words is "three hundred twelve trillion, two hundred two billion, one million, forty-two thousand, two hundred forty-nine".