100212109868939 has 2 divisors, whose sum is σ = 100212109868940. Its totient is φ = 100212109868938.

The previous prime is 100212109868917. The next prime is 100212109868971. The reversal of 100212109868939 is 939868901212001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100212109868939 is a prime.

It is not a weakly prime, because it can be changed into another prime (100212109862939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106054934469 + 50106054934470.

It is an arithmetic number, because the mean of its divisors is an integer number (50106054934470).

Almost surely, 2^{100212109868939} is an apocalyptic number.

100212109868939 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212109868939 is an equidigital number, since it uses as much as digits as its factorization.

100212109868939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 59.

The spelling of 100212109868939 in words is "one hundred trillion, two hundred twelve billion, one hundred nine million, eight hundred sixty-eight thousand, nine hundred thirty-nine".