210001012120049 has 2 divisors, whose sum is σ = 210001012120050. Its totient is φ = 210001012120048.

The previous prime is 210001012119973. The next prime is 210001012120061. The reversal of 210001012120049 is 940021210100012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198631167633649 + 11369844486400 = 14093657^2 + 3371920^2 .

It is a cyclic number.

It is not a de Polignac number, because 210001012120049 - 2³⁶ = 209932292643313 is a prime.

It is not a weakly prime, because it can be changed into another prime (210001012120069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000506060024 + 105000506060025.

It is an arithmetic number, because the mean of its divisors is an integer number (105000506060025).

Almost surely, 2^{210001012120049} is an apocalyptic number.

It is an amenable number.

210001012120049 is a deficient number, since it is larger than the sum of its proper divisors (1).

210001012120049 is an equidigital number, since it uses as much as digits as its factorization.

210001012120049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 210001012120049 in words is "two hundred ten trillion, one billion, twelve million, one hundred twenty thousand, forty-nine".