12011221566230 has 32 divisors (see below), whose sum is σ = 21667755996288. Its totient is φ = 4793921193600.

The previous prime is 12011221566131. The next prime is 12011221566269. The reversal of 12011221566230 is 3266512211021.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201565040 + ... + 201624620.

It is an arithmetic number, because the mean of its divisors is an integer number (677117374884).

Almost surely, 2^{12011221566230} is an apocalyptic number.

12011221566230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011221566230 is a deficient number, since it is larger than the sum of its proper divisors (9656534430058).

12011221566230 is a wasteful number, since it uses less digits than its factorization.

12011221566230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103592.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 12011221566230 its reverse (3266512211021), we get a palindrome (15277733777251).

The spelling of 12011221566230 in words is "twelve trillion, eleven billion, two hundred twenty-one million, five hundred sixty-six thousand, two hundred thirty".