12516101200 has 120 divisors (see below), whose sum is σ = 31416489216. Its totient is φ = 4786176000.

The previous prime is 12516101161. The next prime is 12516101261. The reversal of 12516101200 is 210161521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1023120 + ... + 1035280.

Almost surely, 2^12516101200 is an apocalyptic number.

12516101200 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 12516101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15708244608).

12516101200 is an abundant number, since it is smaller than the sum of its proper divisors (18900388016).

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

12516101200 is a wasteful number, since it uses less digits than its factorization.

12516101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12293 (or 12282 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12516101200 its reverse (210161521), we get a palindrome (12726262721).

The spelling of 12516101200 in words is "twelve billion, five hundred sixteen million, one hundred one thousand, two hundred".