12130134400 has 48 divisors (see below), whose sum is σ = 29965230540. Its totient is φ = 4852052480.

The previous prime is 12130134391. The next prime is 12130134403. The reversal of 12130134400 is 443103121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130134403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1892134 + ... + 1898533.

Almost surely, 2^12130134400 is an apocalyptic number.

12130134400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130134400 is an abundant number, since it is smaller than the sum of its proper divisors (17835096140).

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

12130134400 is an equidigital number, since it uses as much as digits as its factorization.

12130134400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790691 (or 3790674 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12130134400 its reverse (443103121), we get a palindrome (12573237521).

The spelling of 12130134400 in words is "twelve billion, one hundred thirty million, one hundred thirty-four thousand, four hundred".