12801706922 has 4 divisors (see below), whose sum is σ = 19202560386. Its totient is φ = 6400853460.

The previous prime is 12801706903. The next prime is 12801706927. The reversal of 12801706922 is 22960710821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11376568921 + 1425138001 = 106661^2 + 37751^2 .

It is not an unprimeable number, because it can be changed into a prime (12801706927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200426729 + ... + 3200426732.

Almost surely, 2^12801706922 is an apocalyptic number.

12801706922 is a deficient number, since it is larger than the sum of its proper divisors (6400853464).

12801706922 is an equidigital number, since it uses as much as digits as its factorization.

12801706922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400853463.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 12801706922 in words is "twelve billion, eight hundred one million, seven hundred six thousand, nine hundred twenty-two".