12551233054400 has 168 divisors, whose sum is σ = 31927919451120. Its totient is φ = 4853180989440.

The previous prime is 12551233054397. The next prime is 12551233054421. The reversal of 12551233054400 is 445033215521.

12551233054400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5733236 + ... + 7613964.

It is an arithmetic number, because the mean of its divisors is an integer number (190047139590).

Almost surely, 2^{12551233054400} is an apocalyptic number.

12551233054400 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 12551233054400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15963959725560).

12551233054400 is an abundant number, since it is smaller than the sum of its proper divisors (19376686396720).

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

12551233054400 is a wasteful number, since it uses less digits than its factorization.

12551233054400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880891 (or 1880876 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 12551233054400 its reverse (445033215521), we get a palindrome (12996266269921).

The spelling of 12551233054400 in words is "twelve trillion, five hundred fifty-one billion, two hundred thirty-three million, fifty-four thousand, four hundred".