12273436903 has 18 divisors (see below), whose sum is σ = 15193484232. Its totient is φ = 9707836320.

The previous prime is 12273436867. The next prime is 12273436933. The reversal of 12273436903 is 30963437221.

It is not a de Polignac number, because 12273436903 - 2³³ = 3683502311 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 (12273436933) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3808833 + ... + 3812053.

Almost surely, 2^12273436903 is an apocalyptic number.

12273436903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12273436903 is a deficient number, since it is larger than the sum of its proper divisors (2920047329).

12273436903 is an frugal number, since it uses more digits than its factorization.

12273436903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 12273436903 in words is "twelve billion, two hundred seventy-three million, four hundred thirty-six thousand, nine hundred three".