12422255222421 has 108 divisors (see below), whose sum is σ = 20292547767492. Its totient is φ = 7317091584000.

The previous prime is 12422255222387. The next prime is 12422255222449.

12422255222421 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 2 + 2 + 5 + 5 + 222 + 421 = 666.

12422255222421 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 2162117331396 + 10260137891025 = 1470414^2 + 3203145^2 .

It is not a de Polignac number, because 12422255222421 - 2¹⁷ = 12422255091349 is a prime.

It is a super-2 number, since 2×12422255222421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422255222471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1522144581 + ... + 1522152741.

Almost surely, 2^{12422255222421} is an apocalyptic number.

12422255222421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12422255222421 is a deficient number, since it is larger than the sum of its proper divisors (7870292545071).

12422255222421 is a wasteful number, since it uses less digits than its factorization.

12422255222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9284 (or 9233 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

It can be divided in two parts, 1242225 and 5222421, that added together give a palindrome (6464646).

The spelling of 12422255222421 in words is "twelve trillion, four hundred twenty-two billion, two hundred fifty-five million, two hundred twenty-two thousand, four hundred twenty-one".