12102200999 has 4 divisors (see below), whose sum is σ = 13831086864. Its totient is φ = 10373315136.

The previous prime is 12102200959. The next prime is 12102201037. The reversal of 12102200999 is 99900220121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102200999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102200909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864442922 + ... + 864442935.

It is an arithmetic number, because the mean of its divisors is an integer number (3457771716).

Almost surely, 2^12102200999 is an apocalyptic number.

12102200999 is a deficient number, since it is larger than the sum of its proper divisors (1728885865).

12102200999 is an equidigital number, since it uses as much as digits as its factorization.

12102200999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728885864.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 12102200999 in words is "twelve billion, one hundred two million, two hundred thousand, nine hundred ninety-nine".