212010023999 has 4 divisors (see below), whose sum is σ = 212011469040. Its totient is φ = 212008578960.

The previous prime is 212010023993. The next prime is 212010024019. The reversal of 212010023999 is 999320010212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212010023999 - 2²⁴ = 211993246783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010023993) 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, 473939 + ... + 805380.

It is an arithmetic number, because the mean of its divisors is an integer number (53002867260).

Almost surely, 2^212010023999 is an apocalyptic number.

212010023999 is a deficient number, since it is larger than the sum of its proper divisors (1445041).

212010023999 is a wasteful number, since it uses less digits than its factorization.

212010023999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445040.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 212010023999 in words is "two hundred twelve billion, ten million, twenty-three thousand, nine hundred ninety-nine".