12143333400 has 192 divisors, whose sum is σ = 42177300480. Its totient is φ = 2864217600.

The previous prime is 12143333369. The next prime is 12143333401. The reversal of 12143333400 is 433334121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143333401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219337 + ... + 269063.

It is an arithmetic number, because the mean of its divisors is an integer number (219673440).

Almost surely, 2^12143333400 is an apocalyptic number.

12143333400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12143333400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21088650240).

12143333400 is an abundant number, since it is smaller than the sum of its proper divisors (30033967080).

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

12143333400 is a wasteful number, since it uses less digits than its factorization.

12143333400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49794 (or 49785 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12143333400 its reverse (433334121), we get a palindrome (12576667521).

It can be divided in two parts, 12143 and 333400, that added together give a palindrome (345543).

The spelling of 12143333400 in words is "twelve billion, one hundred forty-three million, three hundred thirty-three thousand, four hundred".