12045250405400 has 96 divisors (see below), whose sum is σ = 28469024644080. Its totient is φ = 4738329792000.

The previous prime is 12045250405319. The next prime is 12045250405411. The reversal of 12045250405400 is 450405254021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76500755 + ... + 76658045.

Almost surely, 2^{12045250405400} is an apocalyptic number.

12045250405400 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 12045250405400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14234512322040).

12045250405400 is an abundant number, since it is smaller than the sum of its proper divisors (16423774238680).

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

12045250405400 is a wasteful number, since it uses less digits than its factorization.

12045250405400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163645 (or 163636 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 12045250405400 its reverse (450405254021), we get a palindrome (12495655659421).

The spelling of 12045250405400 in words is "twelve trillion, forty-five billion, two hundred fifty million, four hundred five thousand, four hundred".