12321331331210 has 64 divisors (see below), whose sum is σ = 24624133539840. Its totient is φ = 4401316096320.

The previous prime is 12321331331207. The next prime is 12321331331227. The reversal of 12321331331210 is 1213313312321.

It is a self number, because there is not a number n which added to its sum of digits gives 12321331331210.

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, 317387 + ... + 4974273.

It is an arithmetic number, because the mean of its divisors is an integer number (384752086560).

Almost surely, 2^{12321331331210} is an apocalyptic number.

12321331331210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321331331210 is a deficient number, since it is larger than the sum of its proper divisors (12302802208630).

12321331331210 is a wasteful number, since it uses less digits than its factorization.

12321331331210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657331.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12321331331210 its reverse (1213313312321), we get a palindrome (13534644643531).

The spelling of 12321331331210 in words is "twelve trillion, three hundred twenty-one billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred ten".