12321331201032 has 128 divisors (see below), whose sum is σ = 37311132176640. Its totient is φ = 3310053212160.

The previous prime is 12321331201007. The next prime is 12321331201043. The reversal of 12321331201032 is 23010213312321.

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 = 12321331200993 and 12321331201011.

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, 803248 + ... + 5028704.

It is an arithmetic number, because the mean of its divisors is an integer number (291493220130).

Almost surely, 2^{12321331201032} is an apocalyptic number.

12321331201032 is a gapful number since it is divisible by the number (12) 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 12321331201032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18655566088320).

12321331201032 is an abundant number, since it is smaller than the sum of its proper divisors (24989800975608).

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

12321331201032 is a wasteful number, since it uses less digits than its factorization.

12321331201032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226511 (or 4226507 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12321331201032 its reverse (23010213312321), we get a palindrome (35331544513353).

The spelling of 12321331201032 in words is "twelve trillion, three hundred twenty-one billion, three hundred thirty-one million, two hundred one thousand, thirty-two".