12340201111 has 24 divisors (see below), whose sum is σ = 15999320880. Its totient is φ = 9431154432.

The previous prime is 12340201091. The next prime is 12340201117. The reversal of 12340201111 is 11110204321.

It is not a de Polignac number, because 12340201111 - 2⁹ = 12340200599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340201117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374020 + ... + 405673.

It is an arithmetic number, because the mean of its divisors is an integer number (666638370).

Almost surely, 2^12340201111 is an apocalyptic number.

12340201111 is a deficient number, since it is larger than the sum of its proper divisors (3659119769).

12340201111 is a wasteful number, since it uses less digits than its factorization.

12340201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779743 (or 779736 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12340201111 its reverse (11110204321), we get a palindrome (23450405432).

The spelling of 12340201111 in words is "twelve billion, three hundred forty million, two hundred one thousand, one hundred eleven".