212095783 has 2 divisors, whose sum is σ = 212095784. Its totient is φ = 212095782.

The previous prime is 212095781. The next prime is 212095789. The reversal of 212095783 is 387590212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212095783 - 2¹ = 212095781 is a prime.

Together with 212095781, 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 (212095781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106047891 + 106047892.

It is an arithmetic number, because the mean of its divisors is an integer number (106047892).

Almost surely, 2^212095783 is an apocalyptic number.

212095783 is a deficient number, since it is larger than the sum of its proper divisors (1).

212095783 is an equidigital number, since it uses as much as digits as its factorization.

212095783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 212095783 is about 14563.5086088483. The cubic root of 212095783 is about 596.3629823095.

It can be divided in two parts, 212095 and 783, that added together give a triangular number (212878 = T₆₅₂).

The spelling of 212095783 in words is "two hundred twelve million, ninety-five thousand, seven hundred eighty-three".