12344021999 has 8 divisors (see below), whose sum is σ = 12770945760. Its totient is φ = 11917182816.

The previous prime is 12344021993. The next prime is 12344022001. The reversal of 12344021999 is 99912044321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12344021999 is a prime.

It is a super-2 number, since 2×12344021999² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344021993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467597 + ... + 493289.

It is an arithmetic number, because the mean of its divisors is an integer number (1596368220).

Almost surely, 2^12344021999 is an apocalyptic number.

12344021999 is a deficient number, since it is larger than the sum of its proper divisors (426923761).

12344021999 is a wasteful number, since it uses less digits than its factorization.

12344021999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42289.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 12344021999 in words is "twelve billion, three hundred forty-four million, twenty-one thousand, nine hundred ninety-nine".