12272259999 has 16 divisors (see below), whose sum is σ = 18237415680. Its totient is φ = 7294965120.

The previous prime is 12272259959. The next prime is 12272260003. The reversal of 12272259999 is 99995227221.

It is not a de Polignac number, because 12272259999 - 2¹¹ = 12272257951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272259949) 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, 6331467 + ... + 6333404.

It is an arithmetic number, because the mean of its divisors is an integer number (1139838480).

Almost surely, 2^12272259999 is an apocalyptic number.

12272259999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12272259999 is a deficient number, since it is larger than the sum of its proper divisors (5965155681).

12272259999 is a wasteful number, since it uses less digits than its factorization.

12272259999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12664910.

The product of its digits is 3674160, while the sum is 57.

The spelling of 12272259999 in words is "twelve billion, two hundred seventy-two million, two hundred fifty-nine thousand, nine hundred ninety-nine".