12054322503 has 16 divisors (see below), whose sum is σ = 18434329600. Its totient is φ = 7776981720.

The previous prime is 12054322477. The next prime is 12054322507. The reversal of 12054322503 is 30522345021.

It is a happy number.

12054322503 is a `hidden beast` number, since 1 + 205 + 432 + 25 + 0 + 3 = 666.

It is not a de Polignac number, because 12054322503 - 2⁹ = 12054321991 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054322507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7200073 + ... + 7201746.

It is an arithmetic number, because the mean of its divisors is an integer number (1152145600).

Almost surely, 2^12054322503 is an apocalyptic number.

12054322503 is a deficient number, since it is larger than the sum of its proper divisors (6380007097).

12054322503 is a wasteful number, since it uses less digits than its factorization.

12054322503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14401859 (or 14401853 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 12054322503 its reverse (30522345021), we get a palindrome (42576667524).

The spelling of 12054322503 in words is "twelve billion, fifty-four million, three hundred twenty-two thousand, five hundred three".