1223112133 has 8 divisors (see below), whose sum is σ = 1230831008. Its totient is φ = 1215417744.

The previous prime is 1223112119. The next prime is 1223112173. The reversal of 1223112133 is 3312113221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223112133 - 2⁹ = 1223111621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223112133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223112173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99766 + ... + 111352.

It is an arithmetic number, because the mean of its divisors is an integer number (153853876).

Almost surely, 2^1223112133 is an apocalyptic number.

It is an amenable number.

1223112133 is a deficient number, since it is larger than the sum of its proper divisors (7718875).

1223112133 is a wasteful number, since it uses less digits than its factorization.

1223112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12243.

The product of its digits is 216, while the sum is 19.

The square root of 1223112133 is about 34973.0200726217. The cubic root of 1223112133 is about 1069.4375397145.

Adding to 1223112133 its reverse (3312113221), we get a palindrome (4535225354).

The spelling of 1223112133 in words is "one billion, two hundred twenty-three million, one hundred twelve thousand, one hundred thirty-three".