12622297801 has 3 divisors (see below), whose sum is σ = 12622410151. Its totient is φ = 12622185452.

The previous prime is 12622297799. The next prime is 12622297813. The reversal of 12622297801 is 10879222621.

The square root of 12622297801 is 112349.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10879222621 = 1069 ⋅10177009.

It can be written as a sum of positive squares in only one way, i.e., 9781407801 + 2840890000 = 98901^2 + 53300^2 .

It is not a de Polignac number, because 12622297801 - 2¹ = 12622297799 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12622297871) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 56175 + ... + 168523.

Almost surely, 2^12622297801 is an apocalyptic number.

12622297801 is the 112349-th square number.

12622297801 is the 56175-th centered octagonal number.

It is an amenable number.

12622297801 is a deficient number, since it is larger than the sum of its proper divisors (112350).

12622297801 is an frugal number, since it uses more digits than its factorization.

12622297801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224698 (or 112349 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 12622297801 in words is "twelve billion, six hundred twenty-two million, two hundred ninety-seven thousand, eight hundred one".