12321010431024 has 160 divisors (see below), whose sum is σ = 34902041840640. Its totient is φ = 3728021606400.

The previous prime is 12321010431001. The next prime is 12321010431043. The reversal of 12321010431024 is 42013401012321.

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

It is a junction number, because it is equal to n+sod(n) for n = 12321010430985 and 12321010431003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21272139 + ... + 21843669.

It is an arithmetic number, because the mean of its divisors is an integer number (218137761504).

Almost surely, 2^{12321010431024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12321010431024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17451020920320).

12321010431024 is an abundant number, since it is smaller than the sum of its proper divisors (22581031409616).

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

12321010431024 is a wasteful number, since it uses less digits than its factorization.

12321010431024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572499 (or 572493 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12321010431024 its reverse (42013401012321), we get a palindrome (54334411443345).

The spelling of 12321010431024 in words is "twelve trillion, three hundred twenty-one billion, ten million, four hundred thirty-one thousand, twenty-four".