12551422110200 has 192 divisors, whose sum is σ = 31444767525120. Its totient is φ = 4649799168000.

The previous prime is 12551422110151. The next prime is 12551422110233. The reversal of 12551422110200 is 201122415521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12551422110200.

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, 13544924 + ... + 14441876.

It is an arithmetic number, because the mean of its divisors is an integer number (163774830860).

Almost surely, 2^{12551422110200} is an apocalyptic number.

12551422110200 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 12551422110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15722383762560).

12551422110200 is an abundant number, since it is smaller than the sum of its proper divisors (18893345414920).

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

12551422110200 is a wasteful number, since it uses less digits than its factorization.

12551422110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897098 (or 897089 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 12551422110200 its reverse (201122415521), we get a palindrome (12752544525721).

The spelling of 12551422110200 in words is "twelve trillion, five hundred fifty-one billion, four hundred twenty-two million, one hundred ten thousand, two hundred".