12090111233 has 4 divisors (see below), whose sum is σ = 12090721968. Its totient is φ = 12089500500.

The previous prime is 12090111227. The next prime is 12090111239. The reversal of 12090111233 is 33211109021.

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 an interprime number because it is at equal distance from previous prime (12090111227) and next prime (12090111239).

It is a cyclic number.

It is not a de Polignac number, because 12090111233 - 2⁶ = 12090111169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12090111199 and 12090111208.

It is not an unprimeable number, because it can be changed into a prime (12090111239) 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, 274643 + ... + 315608.

It is an arithmetic number, because the mean of its divisors is an integer number (3022680492).

Almost surely, 2^12090111233 is an apocalyptic number.

It is an amenable number.

12090111233 is a deficient number, since it is larger than the sum of its proper divisors (610735).

12090111233 is an equidigital number, since it uses as much as digits as its factorization.

12090111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610734.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 12090111233 in words is "twelve billion, ninety million, one hundred eleven thousand, two hundred thirty-three".