1123030033212 has 24 divisors (see below), whose sum is σ = 2620494956800. Its totient is φ = 374330266416.

The previous prime is 1123030033201. The next prime is 1123030033219. The reversal of 1123030033212 is 2123300303211.

It is a super-2 number, since 2×1123030033212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123030033219) 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, 1273762 + ... + 1966857.

Almost surely, 2^{1123030033212} is an apocalyptic number.

1123030033212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123030033212 is an abundant number, since it is smaller than the sum of its proper divisors (1497464923588).

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

1123030033212 is a wasteful number, since it uses less digits than its factorization.

1123030033212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269505 (or 3269503 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1123030033212 its reverse (2123300303211), we get a palindrome (3246330336423).

The spelling of 1123030033212 in words is "one trillion, one hundred twenty-three billion, thirty million, thirty-three thousand, two hundred twelve".