212783183 has 2 divisors, whose sum is σ = 212783184. Its totient is φ = 212783182.

The previous prime is 212783159. The next prime is 212783209. The reversal of 212783183 is 381387212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212783183 - 2²⁴ = 196005967 is a prime.

It is a super-2 number, since 2×212783183² = 90553365935222978, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212783113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106391591 + 106391592.

It is an arithmetic number, because the mean of its divisors is an integer number (106391592).

Almost surely, 2^212783183 is an apocalyptic number.

212783183 is a deficient number, since it is larger than the sum of its proper divisors (1).

212783183 is an equidigital number, since it uses as much as digits as its factorization.

212783183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 212783183 is about 14587.0896000539. The cubic root of 212783183 is about 597.0065560662.

The spelling of 212783183 in words is "two hundred twelve million, seven hundred eighty-three thousand, one hundred eighty-three".