12428246673 has 96 divisors (see below), whose sum is σ = 19862249472. Its totient is φ = 7464441600.

The previous prime is 12428246671. The next prime is 12428246681. The reversal of 12428246673 is 37664282421.

It is a happy number.

12428246673 is a `hidden beast` number, since 1 + 2 + 42 + 82 + 466 + 73 = 666.

It is not a de Polignac number, because 12428246673 - 2¹ = 12428246671 is a prime.

It is a super-2 number, since 2×12428246673² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12428246671) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58901538 + ... + 58901748.

It is an arithmetic number, because the mean of its divisors is an integer number (206898432).

Almost surely, 2^12428246673 is an apocalyptic number.

It is an amenable number.

12428246673 is a deficient number, since it is larger than the sum of its proper divisors (7434002799).

12428246673 is a wasteful number, since it uses less digits than its factorization.

12428246673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 472 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The spelling of 12428246673 in words is "twelve billion, four hundred twenty-eight million, two hundred forty-six thousand, six hundred seventy-three".