12032420134400 has 120 divisors (see below), whose sum is σ = 29852745864480. Its totient is φ = 4806270402560.

The previous prime is 12032420134331. The next prime is 12032420134421. The reversal of 12032420134400 is 443102423021.

It is a self number, because there is not a number n which added to its sum of digits gives 12032420134400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8549492 + ... + 9856908.

It is an arithmetic number, because the mean of its divisors is an integer number (248772882204).

Almost surely, 2^{12032420134400} is an apocalyptic number.

12032420134400 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 12032420134400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14926372932240).

12032420134400 is an abundant number, since it is smaller than the sum of its proper divisors (17820325730080).

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

12032420134400 is an equidigital number, since it uses as much as digits as its factorization.

12032420134400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308164 (or 1308143 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12032420134400 its reverse (443102423021), we get a palindrome (12475522557421).

The spelling of 12032420134400 in words is "twelve trillion, thirty-two billion, four hundred twenty million, one hundred thirty-four thousand, four hundred".