212751168775 has 6 divisors (see below), whose sum is σ = 263811449312. Its totient is φ = 170200935000.

The previous prime is 212751168691. The next prime is 212751168779. The reversal of 212751168775 is 577861157212.

It is not a de Polignac number, because 212751168775 - 2⁹ = 212751168263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212751168779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4255023351 + ... + 4255023400.

Almost surely, 2^212751168775 is an apocalyptic number.

212751168775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212751168775 is a deficient number, since it is larger than the sum of its proper divisors (51060280537).

212751168775 is an equidigital number, since it uses as much as digits as its factorization.

212751168775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510046761 (or 8510046756 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 52.

The spelling of 212751168775 in words is "two hundred twelve billion, seven hundred fifty-one million, one hundred sixty-eight thousand, seven hundred seventy-five".