12503331450 has 96 divisors (see below), whose sum is σ = 35255035200. Its totient is φ = 3256666560.

The previous prime is 12503331427. The next prime is 12503331481. The reversal of 12503331450 is 5413330521.

12503331450 is a `hidden beast` number, since 12 + 503 + 3 + 3 + 145 + 0 = 666.

12503331450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 49645 + ... + 165744.

It is an arithmetic number, because the mean of its divisors is an integer number (367239950).

Almost surely, 2^12503331450 is an apocalyptic number.

12503331450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12503331450 is an abundant number, since it is smaller than the sum of its proper divisors (22751703750).

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

12503331450 is a wasteful number, since it uses less digits than its factorization.

12503331450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215453 (or 215442 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 12503331450 its reverse (5413330521), we get a palindrome (17916661971).

The spelling of 12503331450 in words is "twelve billion, five hundred three million, three hundred thirty-one thousand, four hundred fifty".