12231220320003 has 16 divisors (see below), whose sum is σ = 16505042400000. Its totient is φ = 8055775693344.

The previous prime is 12231220319977. The next prime is 12231220320049. The reversal of 12231220320003 is 30002302213221.

It is a happy number.

It is not a de Polignac number, because 12231220320003 - 2¹² = 12231220315907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12231220320103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16761250 + ... + 17475752.

It is an arithmetic number, because the mean of its divisors is an integer number (1031565150000).

Almost surely, 2^{12231220320003} is an apocalyptic number.

12231220320003 is a deficient number, since it is larger than the sum of its proper divisors (4273822079997).

12231220320003 is an equidigital number, since it uses as much as digits as its factorization.

12231220320003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783338.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12231220320003 its reverse (30002302213221), we get a palindrome (42233522533224).

The spelling of 12231220320003 in words is "twelve trillion, two hundred thirty-one billion, two hundred twenty million, three hundred twenty thousand, three".