1123212232230 has 64 divisors (see below), whose sum is σ = 2941043212800. Its totient is φ = 272268933120.

The previous prime is 1123212232213. The next prime is 1123212232249. The reversal of 1123212232230 is 322322123211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123212232230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3588351 + ... + 3888789.

It is an arithmetic number, because the mean of its divisors is an integer number (45953800200).

Almost surely, 2^{1123212232230} is an apocalyptic number.

1123212232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123212232230 is an abundant number, since it is smaller than the sum of its proper divisors (1817830980570).

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

1123212232230 is a wasteful number, since it uses less digits than its factorization.

1123212232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311789.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1123212232230 its reverse (322322123211), we get a palindrome (1445534355441).

The spelling of 1123212232230 in words is "one trillion, one hundred twenty-three billion, two hundred twelve million, two hundred thirty-two thousand, two hundred thirty".