12453102532 has 12 divisors (see below), whose sum is σ = 23469308716. Its totient is φ = 5747585760.

The previous prime is 12453102517. The next prime is 12453102533. The reversal of 12453102532 is 23520135421.

It can be written as a sum of positive squares in 2 ways, for example, as 5640911236 + 6812191296 = 75106^2 + 82536^2 .

It is a super-2 number, since 2×12453102532² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12453102532.

It is not an unprimeable number, because it can be changed into a prime (12453102533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119741319 + ... + 119741422.

Almost surely, 2^12453102532 is an apocalyptic number.

It is an amenable number.

12453102532 is a deficient number, since it is larger than the sum of its proper divisors (11016206184).

12453102532 is a wasteful number, since it uses less digits than its factorization.

12453102532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239482758 (or 239482756 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 12453102532 its reverse (23520135421), we get a palindrome (35973237953).

The spelling of 12453102532 in words is "twelve billion, four hundred fifty-three million, one hundred two thousand, five hundred thirty-two".