212319763 has 2 divisors, whose sum is σ = 212319764. Its totient is φ = 212319762.

The previous prime is 212319703. The next prime is 212319791. The reversal of 212319763 is 367913212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212319763 is a prime.

It is not a weakly prime, because it can be changed into another prime (212319703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106159881 + 106159882.

It is an arithmetic number, because the mean of its divisors is an integer number (106159882).

Almost surely, 2^212319763 is an apocalyptic number.

212319763 is a deficient number, since it is larger than the sum of its proper divisors (1).

212319763 is an equidigital number, since it uses as much as digits as its factorization.

212319763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 212319763 is about 14571.1963475893. The cubic root of 212319763 is about 596.5728346495.

The spelling of 212319763 in words is "two hundred twelve million, three hundred nineteen thousand, seven hundred sixty-three".