212950761 has 12 divisors (see below), whose sum is σ = 291035376. Its totient is φ = 138501280.

The previous prime is 212950757. The next prime is 212950769. The reversal of 212950761 is 167059212.

It is not a de Polignac number, because 212950761 - 2² = 212950757 is a prime.

It is a super-2 number, since 2×212950761² = 90696053220958242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212950769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16071 + ... + 26156.

It is an arithmetic number, because the mean of its divisors is an integer number (24252948).

Almost surely, 2^212950761 is an apocalyptic number.

It is an amenable number.

212950761 is a deficient number, since it is larger than the sum of its proper divisors (78084615).

212950761 is an equidigital number, since it uses as much as digits as its factorization.

212950761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42312 (or 42271 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 212950761 is about 14592.8325214812. The cubic root of 212950761 is about 597.1632396774.

The spelling of 212950761 in words is "two hundred twelve million, nine hundred fifty thousand, seven hundred sixty-one".