212044873 has 4 divisors (see below), whose sum is σ = 212181760. Its totient is φ = 211907988.

The previous prime is 212044841. The next prime is 212044909. The reversal of 212044873 is 378440212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212044873 - 2⁵ = 212044841 is a prime.

It is a super-2 number, since 2×212044873² = 89926056331172258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212044073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66093 + ... + 69226.

It is an arithmetic number, because the mean of its divisors is an integer number (53045440).

Almost surely, 2^212044873 is an apocalyptic number.

It is an amenable number.

212044873 is a deficient number, since it is larger than the sum of its proper divisors (136887).

212044873 is a wasteful number, since it uses less digits than its factorization.

212044873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136886.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 212044873 is about 14561.7606421751. The cubic root of 212044873 is about 596.3152628805.

The spelling of 212044873 in words is "two hundred twelve million, forty-four thousand, eight hundred seventy-three".