12503277400 has 24 divisors (see below), whose sum is σ = 29070120420. Its totient is φ = 5001310880.

The previous prime is 12503277377. The next prime is 12503277401. The reversal of 12503277400 is 477230521.

12503277400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503277401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31257994 + ... + 31258393.

Almost surely, 2^12503277400 is an apocalyptic number.

12503277400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12503277400 is an abundant number, since it is smaller than the sum of its proper divisors (16566843020).

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

12503277400 is a wasteful number, since it uses less digits than its factorization.

12503277400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62516403 (or 62516394 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The spelling of 12503277400 in words is "twelve billion, five hundred three million, two hundred seventy-seven thousand, four hundred".