12204122401 has 4 divisors (see below), whose sum is σ = 12922011972. Its totient is φ = 11486232832.

The previous prime is 12204122383. The next prime is 12204122417. The reversal of 12204122401 is 10422140221.

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 8831300625 + 3372821776 = 93975^2 + 58076^2 .

It is a cyclic number.

It is not a de Polignac number, because 12204122401 - 2²¹ = 12202025249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12204122431) 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, 358944760 + ... + 358944793.

It is an arithmetic number, because the mean of its divisors is an integer number (3230502993).

Almost surely, 2^12204122401 is an apocalyptic number.

It is an amenable number.

12204122401 is a deficient number, since it is larger than the sum of its proper divisors (717889571).

12204122401 is an equidigital number, since it uses as much as digits as its factorization.

12204122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717889570.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12204122401 its reverse (10422140221), we get a palindrome (22626262622).

The spelling of 12204122401 in words is "twelve billion, two hundred four million, one hundred twenty-two thousand, four hundred one".