1010812252309 has 2 divisors, whose sum is σ = 1010812252310. Its totient is φ = 1010812252308.

The previous prime is 1010812252291. The next prime is 1010812252339. The reversal of 1010812252309 is 9032522180101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 670810140900 + 340002111409 = 819030^2 + 583097^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010812252309 - 2²³ = 1010803863701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010812252339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505406126154 + 505406126155.

It is an arithmetic number, because the mean of its divisors is an integer number (505406126155).

Almost surely, 2^{1010812252309} is an apocalyptic number.

It is an amenable number.

1010812252309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010812252309 is an equidigital number, since it uses as much as digits as its factorization.

1010812252309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 1010812252309 in words is "one trillion, ten billion, eight hundred twelve million, two hundred fifty-two thousand, three hundred nine".