12422953193641 has 3 divisors (see below), whose sum is σ = 12422956718263. Its totient is φ = 12422949669020.

The previous prime is 12422953193597. The next prime is 12422953193689. The reversal of 12422953193641 is 14639135922421.

The square root of 12422953193641 is 3524621.

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.

It can be written as a sum of positive squares in only one way, i.e., 224838137241 + 12198115056400 = 474171^2 + 3492580^2 .

It is not a de Polignac number, because 12422953193641 - 2¹⁹ = 12422952669353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12422953193141) 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, 1762311 + ... + 5286931.

Almost surely, 2^{12422953193641} is an apocalyptic number.

12422953193641 is the 3524621-st square number.

12422953193641 is the 1762311-st centered octagonal number.

It is an amenable number.

12422953193641 is a deficient number, since it is larger than the sum of its proper divisors (3524622).

12422953193641 is an frugal number, since it uses more digits than its factorization.

12422953193641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049242 (or 3524621 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The spelling of 12422953193641 in words is "twelve trillion, four hundred twenty-two billion, nine hundred fifty-three million, one hundred ninety-three thousand, six hundred forty-one".