100012312849 has 2 divisors, whose sum is σ = 100012312850. Its totient is φ = 100012312848.

The previous prime is 100012312831. The next prime is 100012312931. The reversal of 100012312849 is 948213210001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96484784400 + 3527528449 = 310620^2 + 59393^2 .

It is a cyclic number.

It is not a de Polignac number, because 100012312849 - 2⁷ = 100012312721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100012312849.

It is not a weakly prime, because it can be changed into another prime (100012312549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50006156424 + 50006156425.

It is an arithmetic number, because the mean of its divisors is an integer number (50006156425).

Almost surely, 2^100012312849 is an apocalyptic number.

It is an amenable number.

100012312849 is a deficient number, since it is larger than the sum of its proper divisors (1).

100012312849 is an equidigital number, since it uses as much as digits as its factorization.

100012312849 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 31.

The spelling of 100012312849 in words is "one hundred billion, twelve million, three hundred twelve thousand, eight hundred forty-nine".