212773089 has 24 divisors (see below), whose sum is σ = 293735008. Its totient is φ = 136984320.

The previous prime is 212773081. The next prime is 212773091. The reversal of 212773089 is 980377212.

212773089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212773089 - 2³ = 212773081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212773081) 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, 642654 + ... + 642984.

Almost surely, 2^212773089 is an apocalyptic number.

It is an amenable number.

212773089 is a deficient number, since it is larger than the sum of its proper divisors (80961919).

212773089 is an equidigital number, since it uses as much as digits as its factorization.

212773089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 212773089 is about 14586.7436050683. The cubic root of 212773089 is about 596.9971156594.

The spelling of 212773089 in words is "two hundred twelve million, seven hundred seventy-three thousand, eighty-nine".