12503111147 has 8 divisors (see below), whose sum is σ = 12719231712. Its totient is φ = 12288102400.

The previous prime is 12503111111. The next prime is 12503111183. The reversal of 12503111147 is 74111130521.

It is an interprime number because it is at equal distance from previous prime (12503111111) and next prime (12503111183).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12503111147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12503111107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255254 + ... + 300267.

It is an arithmetic number, because the mean of its divisors is an integer number (1589903964).

Almost surely, 2^12503111147 is an apocalyptic number.

12503111147 is a deficient number, since it is larger than the sum of its proper divisors (216120565).

12503111147 is an equidigital number, since it uses as much as digits as its factorization.

12503111147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555909.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 12503111147 its reverse (74111130521), we get a palindrome (86614241668).

The spelling of 12503111147 in words is "twelve billion, five hundred three million, one hundred eleven thousand, one hundred forty-seven".