212057923963 has 2 divisors, whose sum is σ = 212057923964. Its totient is φ = 212057923962.

The previous prime is 212057923939. The next prime is 212057924021. The reversal of 212057923963 is 369329750212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212057923963 is a prime.

It is not a weakly prime, because it can be changed into another prime (212057923463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106028961981 + 106028961982.

It is an arithmetic number, because the mean of its divisors is an integer number (106028961982).

Almost surely, 2^212057923963 is an apocalyptic number.

212057923963 is a deficient number, since it is larger than the sum of its proper divisors (1).

212057923963 is an equidigital number, since it uses as much as digits as its factorization.

212057923963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 212057923963 in words is "two hundred twelve billion, fifty-seven million, nine hundred twenty-three thousand, nine hundred sixty-three".