12013201999 has 4 divisors (see below), whose sum is σ = 12017603560. Its totient is φ = 12008800440.

The previous prime is 12013201969. The next prime is 12013202011. The reversal of 12013201999 is 99910231021.

It is a happy number.

12013201999 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12013201999 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 (12013201919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196684 + ... + 2202145.

It is an arithmetic number, because the mean of its divisors is an integer number (3004400890).

Almost surely, 2^12013201999 is an apocalyptic number.

12013201999 is a deficient number, since it is larger than the sum of its proper divisors (4401561).

12013201999 is an equidigital number, since it uses as much as digits as its factorization.

12013201999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401560.

The product of its (nonzero) digits is 8748, while the sum is 37.

The spelling of 12013201999 in words is "twelve billion, thirteen million, two hundred one thousand, nine hundred ninety-nine".