12612473103 has 4 divisors (see below), whose sum is σ = 16816630808. Its totient is φ = 8408315400.

The previous prime is 12612473099. The next prime is 12612473141. The reversal of 12612473103 is 30137421621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12612473103 - 2² = 12612473099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12612473183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2102078848 + ... + 2102078853.

It is an arithmetic number, because the mean of its divisors is an integer number (4204157702).

Almost surely, 2^12612473103 is an apocalyptic number.

12612473103 is a deficient number, since it is larger than the sum of its proper divisors (4204157705).

12612473103 is an equidigital number, since it uses as much as digits as its factorization.

12612473103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204157704.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 12612473103 its reverse (30137421621), we get a palindrome (42749894724).

The spelling of 12612473103 in words is "twelve billion, six hundred twelve million, four hundred seventy-three thousand, one hundred three".