12520532142200 has 192 divisors, whose sum is σ = 30179441160000. Its totient is φ = 4826872995840.

The previous prime is 12520532142193. The next prime is 12520532142203. The reversal of 12520532142200 is 224123502521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520532142203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1897334501 + ... + 1897341099.

It is an arithmetic number, because the mean of its divisors is an integer number (157184589375).

Almost surely, 2^{12520532142200} is an apocalyptic number.

12520532142200 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 12520532142200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15089720580000).

12520532142200 is an abundant number, since it is smaller than the sum of its proper divisors (17658909017800).

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

12520532142200 is a wasteful number, since it uses less digits than its factorization.

12520532142200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034 (or 9025 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 12520532142200 its reverse (224123502521), we get a palindrome (12744655644721).

The spelling of 12520532142200 in words is "twelve trillion, five hundred twenty billion, five hundred thirty-two million, one hundred forty-two thousand, two hundred".