12454323452 has 96 divisors (see below), whose sum is σ = 24508915200. Its totient is φ = 5510115072.

The previous prime is 12454323443. The next prime is 12454323551. The reversal of 12454323452 is 25432345421.

It is a happy number.

It is a super-2 number, since 2×12454323452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20316698 + ... + 20317310.

It is an arithmetic number, because the mean of its divisors is an integer number (255301200).

Almost surely, 2^12454323452 is an apocalyptic number.

It is an amenable number.

12454323452 is a deficient number, since it is larger than the sum of its proper divisors (12054591748).

12454323452 is a wasteful number, since it uses less digits than its factorization.

12454323452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 913 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

Adding to 12454323452 its reverse (25432345421), we get a palindrome (37886668873).

The spelling of 12454323452 in words is "twelve billion, four hundred fifty-four million, three hundred twenty-three thousand, four hundred fifty-two".