212745051 has 6 divisors (see below), whose sum is σ = 307298420. Its totient is φ = 141830028.

The previous prime is 212745041. The next prime is 212745053. The reversal of 212745051 is 150547212.

It is not a de Polignac number, because 212745051 - 2²⁵ = 179190619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212745053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11819161 + ... + 11819178.

Almost surely, 2^212745051 is an apocalyptic number.

212745051 is a deficient number, since it is larger than the sum of its proper divisors (94553369).

212745051 is a wasteful number, since it uses less digits than its factorization.

212745051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23638345 (or 23638342 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 212745051 is about 14585.7824952931. The cubic root of 212745051 is about 596.9708915717.

The spelling of 212745051 in words is "two hundred twelve million, seven hundred forty-five thousand, fifty-one".