12454223511 has 24 divisors (see below), whose sum is σ = 17903257600. Its totient is φ = 7697745792.

The previous prime is 12454223501. The next prime is 12454223519. The reversal of 12454223511 is 11532245421.

It is not a de Polignac number, because 12454223511 - 2¹⁷ = 12454092439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454223519) 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 23 ways as a sum of consecutive naturals, for example, 49111 + ... + 165288.

Almost surely, 2^12454223511 is an apocalyptic number.

12454223511 is a deficient number, since it is larger than the sum of its proper divisors (5449034089).

12454223511 is a wasteful number, since it uses less digits than its factorization.

12454223511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214503 (or 214486 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

Adding to 12454223511 its reverse (11532245421), we get a palindrome (23986468932).

The spelling of 12454223511 in words is "twelve billion, four hundred fifty-four million, two hundred twenty-three thousand, five hundred eleven".