12104143112 has 64 divisors (see below), whose sum is σ = 23427144000. Its totient is φ = 5860535296.

The previous prime is 12104143063. The next prime is 12104143141. The reversal of 12104143112 is 21134140121.

12104143112 = T₁₆₄₄₈ + T₁₆₄₄₉ + ... + T₁₆₅₃₆.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19617428 + ... + 19618044.

It is an arithmetic number, because the mean of its divisors is an integer number (366049125).

Almost surely, 2^12104143112 is an apocalyptic number.

It is an amenable number.

12104143112 is a deficient number, since it is larger than the sum of its proper divisors (11323000888).

12104143112 is a wasteful number, since it uses less digits than its factorization.

12104143112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12104143112 its reverse (21134140121), we get a palindrome (33238283233).

The spelling of 12104143112 in words is "twelve billion, one hundred four million, one hundred forty-three thousand, one hundred twelve".