12681403042 has 64 divisors (see below), whose sum is σ = 24301264896. Its totient is φ = 4819556160.

The previous prime is 12681403037. The next prime is 12681403043. The reversal of 12681403042 is 24030418621.

It is a super-2 number, since 2×12681403042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12681402995 and 12681403013.

It is not an unprimeable number, because it can be changed into a prime (12681403043) 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, 2291683 + ... + 2297209.

It is an arithmetic number, because the mean of its divisors is an integer number (379707264).

Almost surely, 2^12681403042 is an apocalyptic number.

12681403042 is a deficient number, since it is larger than the sum of its proper divisors (11619861854).

12681403042 is a wasteful number, since it uses less digits than its factorization.

12681403042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 12681403042 in words is "twelve billion, six hundred eighty-one million, four hundred three thousand, forty-two".