12143112400 has 60 divisors (see below), whose sum is σ = 29184889612. Its totient is φ = 4855403520.

The previous prime is 12143112389. The next prime is 12143112403. The reversal of 12143112400 is 421134121.

It can be written as a sum of positive squares in 6 ways, for example, as 2598544 + 12140513856 = 1612^2 + 110184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143112403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1633492 + ... + 1640908.

Almost surely, 2^12143112400 is an apocalyptic number.

12143112400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12143112400 is an abundant number, since it is smaller than the sum of its proper divisors (17041777212).

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

12143112400 is a wasteful number, since it uses less digits than its factorization.

12143112400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11528 (or 11517 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12143112400 its reverse (421134121), we get a palindrome (12564246521).

The spelling of 12143112400 in words is "twelve billion, one hundred forty-three million, one hundred twelve thousand, four hundred".