12321233331 has 32 divisors (see below), whose sum is σ = 18714834432. Its totient is φ = 7137461760.

The previous prime is 12321233303. The next prime is 12321233339. The reversal of 12321233331 is 13333212321.

It is not a de Polignac number, because 12321233331 - 2⁵ = 12321233299 is a prime.

It is a super-2 number, since 2×12321233331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12321233339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1173501 + ... + 1183953.

It is an arithmetic number, because the mean of its divisors is an integer number (584838576).

Almost surely, 2^12321233331 is an apocalyptic number.

12321233331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12321233331 is a deficient number, since it is larger than the sum of its proper divisors (6393601101).

12321233331 is a wasteful number, since it uses less digits than its factorization.

12321233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043.

The product of its digits is 1944, while the sum is 24.

Adding to 12321233331 its reverse (13333212321), we get a palindrome (25654445652).

The spelling of 12321233331 in words is "twelve billion, three hundred twenty-one million, two hundred thirty-three thousand, three hundred thirty-one".