12033311022 has 64 divisors (see below), whose sum is σ = 26959080960. Its totient is φ = 3978450432.

The previous prime is 12033310999. The next prime is 12033311023. The reversal of 12033311022 is 22011333021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12033310986 and 12033311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033311023) 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, 5693838 + ... + 5695950.

It is an arithmetic number, because the mean of its divisors is an integer number (421235640).

Almost surely, 2^12033311022 is an apocalyptic number.

12033311022 is an abundant number, since it is smaller than the sum of its proper divisors (14925769938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12033311022 is a wasteful number, since it uses less digits than its factorization.

12033311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934 (or 2928 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12033311022 its reverse (22011333021), we get a palindrome (34044644043).

The spelling of 12033311022 in words is "twelve billion, thirty-three million, three hundred eleven thousand, twenty-two".