2122012973 has 2 divisors, whose sum is σ = 2122012974. Its totient is φ = 2122012972.

The previous prime is 2122012951. The next prime is 2122012987. The reversal of 2122012973 is 3792102212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1831583209 + 290429764 = 42797^2 + 17042^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122012973 - 2⁶ = 2122012909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122012873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061006486 + 1061006487.

It is an arithmetic number, because the mean of its divisors is an integer number (1061006487).

Almost surely, 2^2122012973 is an apocalyptic number.

It is an amenable number.

2122012973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122012973 is an equidigital number, since it uses as much as digits as its factorization.

2122012973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2122012973 is about 46065.3120362817. The cubic root of 2122012973 is about 1285.0381216769.

The spelling of 2122012973 in words is "two billion, one hundred twenty-two million, twelve thousand, nine hundred seventy-three".