12011133133223 has 16 divisors (see below), whose sum is σ = 13860519828480. Its totient is φ = 10195127513856.

The previous prime is 12011133133187. The next prime is 12011133133243. The reversal of 12011133133223 is 32233133111021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011133133223 is a prime.

It is a super-2 number, since 2×12011133133223² (a number of 27 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 = 12011133133192 and 12011133133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011133133243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58246886 + ... + 58452732.

It is an arithmetic number, because the mean of its divisors is an integer number (866282489280).

Almost surely, 2^{12011133133223} is an apocalyptic number.

12011133133223 is a deficient number, since it is larger than the sum of its proper divisors (1849386695257).

12011133133223 is a wasteful number, since it uses less digits than its factorization.

12011133133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286886.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12011133133223 its reverse (32233133111021), we get a palindrome (44244266244244).

The spelling of 12011133133223 in words is "twelve trillion, eleven billion, one hundred thirty-three million, one hundred thirty-three thousand, two hundred twenty-three".