12231220321333 has 16 divisors (see below), whose sum is σ = 13626756082800. Its totient is φ = 10900664248320.

The previous prime is 12231220321291. The next prime is 12231220321433. The reversal of 12231220321333 is 33312302213221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 434626384644 + 11796593936689 = 659262^2 + 3434617^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12231220321333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231220321433) 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, 10875493 + ... + 11947333.

It is an arithmetic number, because the mean of its divisors is an integer number (851672255175).

Almost surely, 2^{12231220321333} is an apocalyptic number.

12231220321333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12231220321333 is a deficient number, since it is larger than the sum of its proper divisors (1395535761467).

12231220321333 is a wasteful number, since it uses less digits than its factorization.

12231220321333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102152.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12231220321333 its reverse (33312302213221), we get a palindrome (45543522534554).

The spelling of 12231220321333 in words is "twelve trillion, two hundred thirty-one billion, two hundred twenty million, three hundred twenty-one thousand, three hundred thirty-three".