1123320233212 has 6 divisors (see below), whose sum is σ = 1965810408128. Its totient is φ = 561660116604.

The previous prime is 1123320233201. The next prime is 1123320233213. The reversal of 1123320233212 is 2123320233211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123320233213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140415029148 + ... + 140415029155.

Almost surely, 2^{1123320233212} is an apocalyptic number.

It is an amenable number.

1123320233212 is a deficient number, since it is larger than the sum of its proper divisors (842490174916).

1123320233212 is a wasteful number, since it uses less digits than its factorization.

1123320233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280830058307 (or 280830058305 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1123320233212 its reverse (2123320233211), we get a palindrome (3246640466423).

Subtracting 1123320233212 from its reverse (2123320233211), we obtain a palindrome (999999999999).

The spelling of 1123320233212 in words is "one trillion, one hundred twenty-three billion, three hundred twenty million, two hundred thirty-three thousand, two hundred twelve".