12812446289 has 8 divisors (see below), whose sum is σ = 13227052800. Its totient is φ = 12397921200.

The previous prime is 12812446271. The next prime is 12812446291. The reversal of 12812446289 is 98264421821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12812446289 - 2¹² = 12812442193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12812446189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600179 + ... + 621159.

It is an arithmetic number, because the mean of its divisors is an integer number (1653381600).

Almost surely, 2^12812446289 is an apocalyptic number.

It is an amenable number.

12812446289 is a deficient number, since it is larger than the sum of its proper divisors (414606511).

12812446289 is a wasteful number, since it uses less digits than its factorization.

12812446289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40711.

The product of its digits is 442368, while the sum is 47.

The spelling of 12812446289 in words is "twelve billion, eight hundred twelve million, four hundred forty-six thousand, two hundred eighty-nine".