12534402300 has 144 divisors (see below), whose sum is σ = 41497677312. Its totient is φ = 2861510400.

The previous prime is 12534402271. The next prime is 12534402319. The reversal of 12534402300 is 320443521.

It is a super-2 number, since 2×12534402300² (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 47 ways as a sum of consecutive naturals, for example, 1972929 + ... + 1979271.

Almost surely, 2^12534402300 is an apocalyptic number.

12534402300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12534402300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20748838656).

12534402300 is an abundant number, since it is smaller than the sum of its proper divisors (28963275012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12534402300 is a wasteful number, since it uses less digits than its factorization.

12534402300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7308 (or 7301 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 12534402300 its reverse (320443521), we get a palindrome (12854845821).

The spelling of 12534402300 in words is "twelve billion, five hundred thirty-four million, four hundred two thousand, three hundred".