12031648649999 has 4 divisors (see below), whose sum is σ = 13125434890920. Its totient is φ = 10937862409080.

The previous prime is 12031648649947. The next prime is 12031648650001. The reversal of 12031648649999 is 99994684613021.

12031648649999 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 not a de Polignac number, because 12031648649999 - 2¹² = 12031648645903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031648649299) 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, 546893120444 + ... + 546893120465.

It is an arithmetic number, because the mean of its divisors is an integer number (3281358722730).

Almost surely, 2^{12031648649999} is an apocalyptic number.

12031648649999 is a deficient number, since it is larger than the sum of its proper divisors (1093786240921).

12031648649999 is a wasteful number, since it uses less digits than its factorization.

12031648649999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093786240920.

The product of its (nonzero) digits is 181398528, while the sum is 71.

The spelling of 12031648649999 in words is "twelve trillion, thirty-one billion, six hundred forty-eight million, six hundred forty-nine thousand, nine hundred ninety-nine".