2212011973 has 2 divisors, whose sum is σ = 2212011974. Its totient is φ = 2212011972.

The previous prime is 2212011961. The next prime is 2212011979. The reversal of 2212011973 is 3791102122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2121799969 + 90212004 = 46063^2 + 9498^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212011973 - 2¹⁷ = 2211880901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212011979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106005986 + 1106005987.

It is an arithmetic number, because the mean of its divisors is an integer number (1106005987).

Almost surely, 2^2212011973 is an apocalyptic number.

It is an amenable number.

2212011973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212011973 is an equidigital number, since it uses as much as digits as its factorization.

2212011973 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 28.

The square root of 2212011973 is about 47032.0313509846. The cubic root of 2212011973 is about 1302.9542229247.

The spelling of 2212011973 in words is "two billion, two hundred twelve million, eleven thousand, nine hundred seventy-three".