12132423400 has 96 divisors (see below), whose sum is σ = 29726222400. Its totient is φ = 4592332800.

The previous prime is 12132423379. The next prime is 12132423421. The reversal of 12132423400 is 432423121.

It is an interprime number because it is at equal distance from previous prime (12132423379) and next prime (12132423421).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5740744 + ... + 5742856.

It is an arithmetic number, because the mean of its divisors is an integer number (309648150).

Almost surely, 2^12132423400 is an apocalyptic number.

12132423400 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 12132423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14863111200).

12132423400 is an abundant number, since it is smaller than the sum of its proper divisors (17593799000).

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

12132423400 is a wasteful number, since it uses less digits than its factorization.

12132423400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659 (or 3650 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12132423400 its reverse (432423121), we get a palindrome (12564846521).

The spelling of 12132423400 in words is "twelve billion, one hundred thirty-two million, four hundred twenty-three thousand, four hundred".