12111323033 has 4 divisors (see below), whose sum is σ = 12159575568. Its totient is φ = 12063070500.

The previous prime is 12111323027. The next prime is 12111323093. The reversal of 12111323033 is 33032311121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12111323033 - 2¹⁰ = 12111322009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12111322996 and 12111323014.

It is not an unprimeable number, because it can be changed into a prime (12111323023) 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, 24125891 + ... + 24126392.

It is an arithmetic number, because the mean of its divisors is an integer number (3039893892).

Almost surely, 2^12111323033 is an apocalyptic number.

It is an amenable number.

12111323033 is a deficient number, since it is larger than the sum of its proper divisors (48252535).

12111323033 is an equidigital number, since it uses as much as digits as its factorization.

12111323033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48252534.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12111323033 its reverse (33032311121), we get a palindrome (45143634154).

The spelling of 12111323033 in words is "twelve billion, one hundred eleven million, three hundred twenty-three thousand, thirty-three".