12204401251 has 4 divisors (see below), whose sum is σ = 13947887152. Its totient is φ = 10460915352.

The previous prime is 12204401239. The next prime is 12204401317. The reversal of 12204401251 is 15210440221.

12204401251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12204401251 - 2¹¹ = 12204399203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12204401221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871742940 + ... + 871742953.

It is an arithmetic number, because the mean of its divisors is an integer number (3486971788).

Almost surely, 2^12204401251 is an apocalyptic number.

12204401251 is a deficient number, since it is larger than the sum of its proper divisors (1743485901).

12204401251 is an equidigital number, since it uses as much as digits as its factorization.

12204401251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743485900.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 12204401251 its reverse (15210440221), we get a palindrome (27414841472).

The spelling of 12204401251 in words is "twelve billion, two hundred four million, four hundred one thousand, two hundred fifty-one".