12040260233 has 4 divisors (see below), whose sum is σ = 12673958160. Its totient is φ = 11406562308.

The previous prime is 12040260229. The next prime is 12040260257. The reversal of 12040260233 is 33206204021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33206204021 = 1543 ⋅21520547.

It is a cyclic number.

It is not a de Polignac number, because 12040260233 - 2² = 12040260229 is a prime.

It is a super-2 number, since 2×12040260233² (a number of 21 digits) contains 22 as substring.

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 = 12040260199 and 12040260208.

It is not an unprimeable number, because it can be changed into a prime (12040260263) 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, 316848935 + ... + 316848972.

It is an arithmetic number, because the mean of its divisors is an integer number (3168489540).

Almost surely, 2^12040260233 is an apocalyptic number.

It is an amenable number.

12040260233 is a deficient number, since it is larger than the sum of its proper divisors (633697927).

12040260233 is an equidigital number, since it uses as much as digits as its factorization.

12040260233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633697926.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12040260233 its reverse (33206204021), we get a palindrome (45246464254).

The spelling of 12040260233 in words is "twelve billion, forty million, two hundred sixty thousand, two hundred thirty-three".