12320243013400 has 96 divisors (see below), whose sum is σ = 32738020704000. Its totient is φ = 4223905902720.

The previous prime is 12320243013359. The next prime is 12320243013433. The reversal of 12320243013400 is 431034202321.

12320243013400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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, 35638581 + ... + 35982619.

It is an arithmetic number, because the mean of its divisors is an integer number (341021049000).

Almost surely, 2^{12320243013400} is an apocalyptic number.

12320243013400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320243013400 is an abundant number, since it is smaller than the sum of its proper divisors (20417777690600).

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

12320243013400 is a wasteful number, since it uses less digits than its factorization.

12320243013400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369641 (or 369632 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12320243013400 its reverse (431034202321), we get a palindrome (12751277215721).

It can be divided in two parts, 1232024 and 3013400, that added together give a palindrome (4245424).

The spelling of 12320243013400 in words is "twelve trillion, three hundred twenty billion, two hundred forty-three million, thirteen thousand, four hundred".