12235553143999 has 16 divisors (see below), whose sum is σ = 12502770204672. Its totient is φ = 11969701799328.

The previous prime is 12235553143871. The next prime is 12235553144011. The reversal of 12235553143999 is 99934135553221.

It is not a de Polignac number, because 12235553143999 - 2⁷ = 12235553143871 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 (12235553140999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67769404 + ... + 67949710.

It is an arithmetic number, because the mean of its divisors is an integer number (781423137792).

Almost surely, 2^{12235553143999} is an apocalyptic number.

12235553143999 is a deficient number, since it is larger than the sum of its proper divisors (267217060673).

12235553143999 is a wasteful number, since it uses less digits than its factorization.

12235553143999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184086.

The product of its digits is 39366000, while the sum is 61.

The spelling of 12235553143999 in words is "twelve trillion, two hundred thirty-five billion, five hundred fifty-three million, one hundred forty-three thousand, nine hundred ninety-nine".