12272445455 has 32 divisors (see below), whose sum is σ = 15846824448. Its totient is φ = 9100080000.

The previous prime is 12272445413. The next prime is 12272445473. The reversal of 12272445455 is 55454427221.

It is a de Polignac number, because none of the positive numbers 2^k-12272445455 is a prime.

It is a super-2 number, since 2×12272445455² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1062260 + ... + 1073750.

It is an arithmetic number, because the mean of its divisors is an integer number (495213264).

Almost surely, 2^12272445455 is an apocalyptic number.

12272445455 is a deficient number, since it is larger than the sum of its proper divisors (3574378993).

12272445455 is a wasteful number, since it uses less digits than its factorization.

12272445455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11807.

The product of its digits is 448000, while the sum is 41.

The spelling of 12272445455 in words is "twelve billion, two hundred seventy-two million, four hundred forty-five thousand, four hundred fifty-five".