12110401243 has 4 divisors (see below), whose sum is σ = 12162377448. Its totient is φ = 12058425040.

The previous prime is 12110401229. The next prime is 12110401253. The reversal of 12110401243 is 34210401121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12110401243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12110401243.

It is not an unprimeable number, because it can be changed into a prime (12110401213) 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 3 ways as a sum of consecutive naturals, for example, 25987753 + ... + 25988218.

It is an arithmetic number, because the mean of its divisors is an integer number (3040594362).

Almost surely, 2^12110401243 is an apocalyptic number.

12110401243 is a deficient number, since it is larger than the sum of its proper divisors (51976205).

12110401243 is an equidigital number, since it uses as much as digits as its factorization.

12110401243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51976204.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12110401243 its reverse (34210401121), we get a palindrome (46320802364).

The spelling of 12110401243 in words is "twelve billion, one hundred ten million, four hundred one thousand, two hundred forty-three".