12111232301 has 32 divisors (see below), whose sum is σ = 14875176960. Its totient is φ = 9629395776.

The previous prime is 12111232261. The next prime is 12111232313. The reversal of 12111232301 is 10323211121.

It is a de Polignac number, because none of the positive numbers 2^k-12111232301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12111232301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111232201) 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 31 ways as a sum of consecutive naturals, for example, 4136300 + ... + 4139226.

It is an arithmetic number, because the mean of its divisors is an integer number (464849280).

Almost surely, 2^12111232301 is an apocalyptic number.

It is an amenable number.

12111232301 is a deficient number, since it is larger than the sum of its proper divisors (2763944659).

12111232301 is a wasteful number, since it uses less digits than its factorization.

12111232301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593.

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

Adding to 12111232301 its reverse (10323211121), we get a palindrome (22434443422).

The spelling of 12111232301 in words is "twelve billion, one hundred eleven million, two hundred thirty-two thousand, three hundred one".