12422030434021 has 4 divisors (see below), whose sum is σ = 13377571236652. Its totient is φ = 11466489631392.

The previous prime is 12422030434003. The next prime is 12422030434049. The reversal of 12422030434021 is 12043403022421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1568102513121 + 10853927920900 = 1252239^2 + 3294530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12422030434021 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 (12422030434061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477770401296 + ... + 477770401321.

It is an arithmetic number, because the mean of its divisors is an integer number (3344392809163).

Almost surely, 2^{12422030434021} is an apocalyptic number.

It is an amenable number.

12422030434021 is a deficient number, since it is larger than the sum of its proper divisors (955540802631).

12422030434021 is an equidigital number, since it uses as much as digits as its factorization.

12422030434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955540802630.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12422030434021 its reverse (12043403022421), we get a palindrome (24465433456442).

The spelling of 12422030434021 in words is "twelve trillion, four hundred twenty-two billion, thirty million, four hundred thirty-four thousand, twenty-one".