2120110012973 has 2 divisors, whose sum is σ = 2120110012974. Its totient is φ = 2120110012972.

The previous prime is 2120110012957. The next prime is 2120110013017. The reversal of 2120110012973 is 3792100110212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2109692340484 + 10417672489 = 1452478^2 + 102067^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120110012973 - 2⁴ = 2120110012957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120110012073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060055006486 + 1060055006487.

It is an arithmetic number, because the mean of its divisors is an integer number (1060055006487).

Almost surely, 2^{2120110012973} is an apocalyptic number.

It is an amenable number.

2120110012973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120110012973 is an equidigital number, since it uses as much as digits as its factorization.

2120110012973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 2120110012973 in words is "two trillion, one hundred twenty billion, one hundred ten million, twelve thousand, nine hundred seventy-three".