12231133321 has 16 divisors (see below), whose sum is σ = 14049826560. Its totient is φ = 10530611280.

The previous prime is 12231133319. The next prime is 12231133339. The reversal of 12231133321 is 12333113221.

It is a cyclic number.

It is not a de Polignac number, because 12231133321 - 2¹ = 12231133319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12231133292 and 12231133301.

It is not an unprimeable number, because it can be changed into a prime (12231133391) 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, 817510 + ... + 832336.

It is an arithmetic number, because the mean of its divisors is an integer number (878114160).

Almost surely, 2^12231133321 is an apocalyptic number.

12231133321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12231133321 is a deficient number, since it is larger than the sum of its proper divisors (1818693239).

12231133321 is a wasteful number, since it uses less digits than its factorization.

12231133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18804.

The product of its digits is 648, while the sum is 22.

Adding to 12231133321 its reverse (12333113221), we get a palindrome (24564246542).

The spelling of 12231133321 in words is "twelve billion, two hundred thirty-one million, one hundred thirty-three thousand, three hundred twenty-one".