202112209973 has 2 divisors, whose sum is σ = 202112209974. Its totient is φ = 202112209972.

The previous prime is 202112209967. The next prime is 202112210009. The reversal of 202112209973 is 379902211202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200773894084 + 1338315889 = 448078^2 + 36583^2 .

It is a cyclic number.

It is not a de Polignac number, because 202112209973 - 2²⁶ = 202045101109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202112209903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056104986 + 101056104987.

It is an arithmetic number, because the mean of its divisors is an integer number (101056104987).

Almost surely, 2^202112209973 is an apocalyptic number.

It is an amenable number.

202112209973 is a deficient number, since it is larger than the sum of its proper divisors (1).

202112209973 is an equidigital number, since it uses as much as digits as its factorization.

202112209973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 202112209973 in words is "two hundred two billion, one hundred twelve million, two hundred nine thousand, nine hundred seventy-three".