2112018973 has 2 divisors, whose sum is σ = 2112018974. Its totient is φ = 2112018972.

The previous prime is 2112018971. The next prime is 2112018977. The reversal of 2112018973 is 3798102112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1823460804 + 288558169 = 42702^2 + 16987^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112018973 - 2¹ = 2112018971 is a prime.

Together with 2112018971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112018971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056009486 + 1056009487.

It is an arithmetic number, because the mean of its divisors is an integer number (1056009487).

Almost surely, 2^2112018973 is an apocalyptic number.

It is an amenable number.

2112018973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112018973 is an equidigital number, since it uses as much as digits as its factorization.

2112018973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 2112018973 is about 45956.7075953010. The cubic root of 2112018973 is about 1283.0175739407.

The spelling of 2112018973 in words is "two billion, one hundred twelve million, eighteen thousand, nine hundred seventy-three".