12210425244451 has 4 divisors (see below), whose sum is σ = 13954771707952. Its totient is φ = 10466078780952.

The previous prime is 12210425244403. The next prime is 12210425244481. The reversal of 12210425244451 is 15444252401221.

It is a happy number.

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 12210425244451 - 2³¹ = 12208277760803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210425244451.

It is not an unprimeable number, because it can be changed into a prime (12210425244481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872173231740 + ... + 872173231753.

It is an arithmetic number, because the mean of its divisors is an integer number (3488692926988).

Almost surely, 2^{12210425244451} is an apocalyptic number.

12210425244451 is a deficient number, since it is larger than the sum of its proper divisors (1744346463501).

12210425244451 is an equidigital number, since it uses as much as digits as its factorization.

12210425244451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744346463500.

The product of its (nonzero) digits is 102400, while the sum is 37.

Adding to 12210425244451 its reverse (15444252401221), we get a palindrome (27654677645672).

The spelling of 12210425244451 in words is "twelve trillion, two hundred ten billion, four hundred twenty-five million, two hundred forty-four thousand, four hundred fifty-one".