12102200201999 has 4 divisors (see below), whose sum is σ = 12103778277240. Its totient is φ = 12100622126760.

The previous prime is 12102200201981. The next prime is 12102200202007. The reversal of 12102200201999 is 99910200220121.

It is a happy number.

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 12102200201999 - 2²⁸ = 12101931766543 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 (12102200231999) 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, 789026117 + ... + 789041454.

It is an arithmetic number, because the mean of its divisors is an integer number (3025944569310).

Almost surely, 2^{12102200201999} is an apocalyptic number.

12102200201999 is a deficient number, since it is larger than the sum of its proper divisors (1578075241).

12102200201999 is an equidigital number, since it uses as much as digits as its factorization.

12102200201999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578075240.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 12102200201999 in words is "twelve trillion, one hundred two billion, two hundred million, two hundred one thousand, nine hundred ninety-nine".