12667828028 has 12 divisors (see below), whose sum is σ = 22176516600. Its totient is φ = 6331680432.

The previous prime is 12667827983. The next prime is 12667828057. The reversal of 12667828028 is 82082876621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545603 + ... + 568346.

It is an arithmetic number, because the mean of its divisors is an integer number (1848043050).

Almost surely, 2^12667828028 is an apocalyptic number.

It is an amenable number.

12667828028 is a deficient number, since it is larger than the sum of its proper divisors (9508688572).

12667828028 is a wasteful number, since it uses less digits than its factorization.

12667828028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116796 (or 1116794 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 12667828028 in words is "twelve billion, six hundred sixty-seven million, eight hundred twenty-eight thousand, twenty-eight".