12104106681 has 16 divisors (see below), whose sum is σ = 16733928960. Its totient is φ = 7773131520.

The previous prime is 12104106673. The next prime is 12104106701. The reversal of 12104106681 is 18660140121.

It is not a de Polignac number, because 12104106681 - 2³ = 12104106673 is a prime.

It is a super-2 number, since 2×12104106681² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12104106611) 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, 122985 + ... + 198326.

It is an arithmetic number, because the mean of its divisors is an integer number (1045870560).

Almost surely, 2^12104106681 is an apocalyptic number.

It is an amenable number.

12104106681 is a deficient number, since it is larger than the sum of its proper divisors (4629822279).

12104106681 is a wasteful number, since it uses less digits than its factorization.

12104106681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321776.

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 12104106681 in words is "twelve billion, one hundred four million, one hundred six thousand, six hundred eighty-one".