212123083 has 2 divisors, whose sum is σ = 212123084. Its totient is φ = 212123082.

The previous prime is 212123071. The next prime is 212123117. The reversal of 212123083 is 380321212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212123083 - 2¹³ = 212114891 is a prime.

It is not a weakly prime, because it can be changed into another prime (212123003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106061541 + 106061542.

It is an arithmetic number, because the mean of its divisors is an integer number (106061542).

Almost surely, 2^212123083 is an apocalyptic number.

212123083 is a deficient number, since it is larger than the sum of its proper divisors (1).

212123083 is an equidigital number, since it uses as much as digits as its factorization.

212123083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 212123083 is about 14564.4458528294. The cubic root of 212123083 is about 596.3885682511.

Adding to 212123083 its reverse (380321212), we get a palindrome (592444295).

The spelling of 212123083 in words is "two hundred twelve million, one hundred twenty-three thousand, eighty-three".