12342391200 has 360 divisors, whose sum is σ = 45598956480. Its totient is φ = 3248294400.

The previous prime is 12342391163. The next prime is 12342391207. The reversal of 12342391200 is 219324321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12342391207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5117995 + ... + 5120405.

It is an arithmetic number, because the mean of its divisors is an integer number (126663768).

Almost surely, 2^12342391200 is an apocalyptic number.

12342391200 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 12342391200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22799478240).

12342391200 is an abundant number, since it is smaller than the sum of its proper divisors (33256565280).

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

12342391200 is a wasteful number, since it uses less digits than its factorization.

12342391200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 12342391200 in words is "twelve billion, three hundred forty-two million, three hundred ninety-one thousand, two hundred".