12320100111 has 16 divisors (see below), whose sum is σ = 17923667328. Its totient is φ = 7465260000.

The previous prime is 12320100101. The next prime is 12320100113. The reversal of 12320100111 is 11100102321.

It is not a de Polignac number, because 12320100111 - 2⁶ = 12320100047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320100113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147600 + ... + 215466.

It is an arithmetic number, because the mean of its divisors is an integer number (1120229208).

Almost surely, 2^12320100111 is an apocalyptic number.

12320100111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12320100111 is a deficient number, since it is larger than the sum of its proper divisors (5603567217).

12320100111 is a wasteful number, since it uses less digits than its factorization.

12320100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73382.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12320100111 its reverse (11100102321), we get a palindrome (23420202432).

The spelling of 12320100111 in words is "twelve billion, three hundred twenty million, one hundred thousand, one hundred eleven".