1123300212 has 24 divisors (see below), whose sum is σ = 2621897376. Its totient is φ = 374310048.

The previous prime is 1123300207. The next prime is 1123300219. The reversal of 1123300212 is 2120033211.

It is a junction number, because it is equal to n+sod(n) for n = 1123300191 and 1123300200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123300219) 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, 27243 + ... + 54669.

It is an arithmetic number, because the mean of its divisors is an integer number (109245724).

Almost surely, 2^1123300212 is an apocalyptic number.

1123300212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123300212 is an abundant number, since it is smaller than the sum of its proper divisors (1498597164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123300212 is a wasteful number, since it uses less digits than its factorization.

1123300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30847 (or 30845 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1123300212 is about 33515.6711405277. The cubic root of 1123300212 is about 1039.5178398605.

Adding to 1123300212 its reverse (2120033211), we get a palindrome (3243333423).

The spelling of 1123300212 in words is "one billion, one hundred twenty-three million, three hundred thousand, two hundred twelve".