12104203111 has 32 divisors (see below), whose sum is σ = 16262604288. Its totient is φ = 8700531840.

The previous prime is 12104203091. The next prime is 12104203127. The reversal of 12104203111 is 11130240121.

It is not a de Polignac number, because 12104203111 - 2¹¹ = 12104201063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104203151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2001985 + ... + 2008021.

It is an arithmetic number, because the mean of its divisors is an integer number (508206384).

Almost surely, 2^12104203111 is an apocalyptic number.

12104203111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12104203111 is a deficient number, since it is larger than the sum of its proper divisors (4158401177).

12104203111 is a wasteful number, since it uses less digits than its factorization.

12104203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071.

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

Adding to 12104203111 its reverse (11130240121), we get a palindrome (23234443232).

The spelling of 12104203111 in words is "twelve billion, one hundred four million, two hundred three thousand, one hundred eleven".