12231324402000 has 320 divisors, whose sum is σ = 43112918953728. Its totient is φ = 2958673920000.

The previous prime is 12231324401983. The next prime is 12231324402091. The reversal of 12231324402000 is 20442313221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 63 ways as a sum of consecutive naturals, for example, 29959240 + ... + 30364760.

Almost surely, 2^{12231324402000} is an apocalyptic number.

12231324402000 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 12231324402000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21556459476864).

12231324402000 is an abundant number, since it is smaller than the sum of its proper divisors (30881594551728).

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

12231324402000 is a wasteful number, since it uses less digits than its factorization.

12231324402000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406015 (or 405999 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12231324402000 its reverse (20442313221), we get a palindrome (12251766715221).

The spelling of 12231324402000 in words is "twelve trillion, two hundred thirty-one billion, three hundred twenty-four million, four hundred two thousand".