12401432320000 has 120 divisors (see below), whose sum is σ = 30986096040900. Its totient is φ = 4960572416000.

The previous prime is 12401432319979. The next prime is 12401432320027. The reversal of 12401432320000 is 2323410421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3564310 + ... + 6124309.

Almost surely, 2^{12401432320000} is an apocalyptic number.

12401432320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12401432320000 is an abundant number, since it is smaller than the sum of its proper divisors (18584663720900).

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

12401432320000 is an frugal number, since it uses more digits than its factorization.

12401432320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9688661 (or 9688626 counting only the distinct ones).

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

Adding to 12401432320000 its reverse (2323410421), we get a palindrome (12403755730421).

The spelling of 12401432320000 in words is "twelve trillion, four hundred one billion, four hundred thirty-two million, three hundred twenty thousand".