12033223031 has 4 divisors (see below), whose sum is σ = 12034176000. Its totient is φ = 12032270064.

The previous prime is 12033223021. The next prime is 12033223049. The reversal of 12033223031 is 13032233021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13032233021 = 23 ⋅566618827.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12033223031 is a prime.

It is a super-2 number, since 2×12033223031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12033222994 and 12033223012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033223021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457286 + ... + 482883.

It is an arithmetic number, because the mean of its divisors is an integer number (3008544000).

Almost surely, 2^12033223031 is an apocalyptic number.

12033223031 is a deficient number, since it is larger than the sum of its proper divisors (952969).

12033223031 is an equidigital number, since it uses as much as digits as its factorization.

12033223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952968.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12033223031 its reverse (13032233021), we get a palindrome (25065456052).

The spelling of 12033223031 in words is "twelve billion, thirty-three million, two hundred twenty-three thousand, thirty-one".