212100793 has 4 divisors (see below), whose sum is σ = 214160128. Its totient is φ = 210041460.

The previous prime is 212100769. The next prime is 212100799. The reversal of 212100793 is 397001212.

212100793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212100793 - 2⁹ = 212100281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212100799) 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, 1029513 + ... + 1029718.

It is an arithmetic number, because the mean of its divisors is an integer number (53540032).

Almost surely, 2^212100793 is an apocalyptic number.

It is an amenable number.

212100793 is a deficient number, since it is larger than the sum of its proper divisors (2059335).

212100793 is a wasteful number, since it uses less digits than its factorization.

212100793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059334.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 212100793 is about 14563.6806130868. The cubic root of 212100793 is about 596.3676779160.

The spelling of 212100793 in words is "two hundred twelve million, one hundred thousand, seven hundred ninety-three".