12111221232203 has 8 divisors (see below), whose sum is σ = 12113392704000. Its totient is φ = 12109049964648.

The previous prime is 12111221232197. The next prime is 12111221232233. The reversal of 12111221232203 is 30223212211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111221232203 - 2¹² = 12111221228107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111221232233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 160420418 + ... + 160495896.

It is an arithmetic number, because the mean of its divisors is an integer number (1514174088000).

Almost surely, 2^{12111221232203} is an apocalyptic number.

12111221232203 is a deficient number, since it is larger than the sum of its proper divisors (2171471797).

12111221232203 is an equidigital number, since it uses as much as digits as its factorization.

12111221232203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102121.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12111221232203 its reverse (30223212211121), we get a palindrome (42334433443324).

The spelling of 12111221232203 in words is "twelve trillion, one hundred eleven billion, two hundred twenty-one million, two hundred thirty-two thousand, two hundred three".