212750851 has 24 divisors (see below), whose sum is σ = 234995040. Its totient is φ = 192082176.

The previous prime is 212750833. The next prime is 212750893. The reversal of 212750851 is 158057212.

It is not a de Polignac number, because 212750851 - 2¹¹ = 212748803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212750821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2390415 + ... + 2390503.

It is an arithmetic number, because the mean of its divisors is an integer number (9791460).

Almost surely, 2^212750851 is an apocalyptic number.

212750851 is a deficient number, since it is larger than the sum of its proper divisors (22244189).

212750851 is an equidigital number, since it uses as much as digits as its factorization.

212750851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 212750851 is about 14585.9813176899. The cubic root of 212750851 is about 596.9763165309.

The spelling of 212750851 in words is "two hundred twelve million, seven hundred fifty thousand, eight hundred fifty-one".