12111132230 has 32 divisors (see below), whose sum is σ = 21933967104. Its totient is φ = 4814764416.

The previous prime is 12111132181. The next prime is 12111132259. The reversal of 12111132230 is 3223111121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12111132199 and 12111132208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452032 + ... + 1460348.

It is an arithmetic number, because the mean of its divisors is an integer number (685436472).

Almost surely, 2^12111132230 is an apocalyptic number.

12111132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111132230 is a deficient number, since it is larger than the sum of its proper divisors (9822834874).

12111132230 is a wasteful number, since it uses less digits than its factorization.

12111132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12111132230 its reverse (3223111121), we get a palindrome (15334243351).

The spelling of 12111132230 in words is "twelve billion, one hundred eleven million, one hundred thirty-two thousand, two hundred thirty".