12143545698 has 8 divisors (see below), whose sum is σ = 24287091408. Its totient is φ = 4047848564.

The previous prime is 12143545691. The next prime is 12143545699. The reversal of 12143545698 is 89654534121.

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

12143545698 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12143545691) 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, 1011962136 + ... + 1011962147.

It is an arithmetic number, because the mean of its divisors is an integer number (3035886426).

Almost surely, 2^12143545698 is an apocalyptic number.

12143545698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12143545698 is a wasteful number, since it uses less digits than its factorization.

12143545698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023924288.

The product of its digits is 1036800, while the sum is 48.

The spelling of 12143545698 in words is "twelve billion, one hundred forty-three million, five hundred forty-five thousand, six hundred ninety-eight".