12464323532 has 18 divisors (see below), whose sum is σ = 23021021268. Its totient is φ = 5904152568.

The previous prime is 12464323519. The next prime is 12464323537. The reversal of 12464323532 is 23532346421.

It is a happy number.

It is a super-2 number, since 2×12464323532² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12464323492 and 12464323501.

It is not an unprimeable number, because it can be changed into a prime (12464323537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4314458 + ... + 4317345.

It is an arithmetic number, because the mean of its divisors is an integer number (1278945626).

Almost surely, 2^12464323532 is an apocalyptic number.

It is an amenable number.

12464323532 is a deficient number, since it is larger than the sum of its proper divisors (10556697736).

12464323532 is a wasteful number, since it uses less digits than its factorization.

12464323532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631845 (or 8631824 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

Adding to 12464323532 its reverse (23532346421), we get a palindrome (35996669953).

The spelling of 12464323532 in words is "twelve billion, four hundred sixty-four million, three hundred twenty-three thousand, five hundred thirty-two".