212021083 has 2 divisors, whose sum is σ = 212021084. Its totient is φ = 212021082.

The previous prime is 212021027. The next prime is 212021099. The reversal of 212021083 is 380120212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212021083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212021083.

It is not a weakly prime, because it can be changed into another prime (212021683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010541 + 106010542.

It is an arithmetic number, because the mean of its divisors is an integer number (106010542).

Almost surely, 2^212021083 is an apocalyptic number.

212021083 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021083 is an equidigital number, since it uses as much as digits as its factorization.

212021083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 212021083 is about 14560.9437537544. The cubic root of 212021083 is about 596.2929612006.

Adding to 212021083 its reverse (380120212), we get a palindrome (592141295).

The spelling of 212021083 in words is "two hundred twelve million, twenty-one thousand, eighty-three".