12272818203 has 24 divisors (see below), whose sum is σ = 17952076688. Its totient is φ = 8078579712.

The previous prime is 12272818199. The next prime is 12272818247. The reversal of 12272818203 is 30281827221.

It is not a de Polignac number, because 12272818203 - 2² = 12272818199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12272818003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361776 + ... + 394242.

Almost surely, 2^12272818203 is an apocalyptic number.

12272818203 is a deficient number, since it is larger than the sum of its proper divisors (5679258485).

12272818203 is a wasteful number, since it uses less digits than its factorization.

12272818203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33003 (or 33000 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 12272818203 in words is "twelve billion, two hundred seventy-two million, eight hundred eighteen thousand, two hundred three".