12280610821 has 8 divisors (see below), whose sum is σ = 12382699520. Its totient is φ = 12178606608.

The previous prime is 12280610819. The next prime is 12280610827. The reversal of 12280610821 is 12801608221.

12280610821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12280610821 - 2¹ = 12280610819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12280610827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289660 + ... + 329338.

It is an arithmetic number, because the mean of its divisors is an integer number (1547837440).

Almost surely, 2^12280610821 is an apocalyptic number.

It is an amenable number.

12280610821 is a deficient number, since it is larger than the sum of its proper divisors (102088699).

12280610821 is a wasteful number, since it uses less digits than its factorization.

12280610821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42243.

The product of its (nonzero) digits is 3072, while the sum is 31.

The spelling of 12280610821 in words is "twelve billion, two hundred eighty million, six hundred ten thousand, eight hundred twenty-one".