12227473546 has 32 divisors (see below), whose sum is σ = 19273587840. Its totient is φ = 5811912000.

The previous prime is 12227473523. The next prime is 12227473553. The reversal of 12227473546 is 64537472221.

It is a super-2 number, since 2×12227473546² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672645 + ... + 690583.

It is an arithmetic number, because the mean of its divisors is an integer number (602299620).

Almost surely, 2^12227473546 is an apocalyptic number.

12227473546 is a deficient number, since it is larger than the sum of its proper divisors (7046114294).

12227473546 is a wasteful number, since it uses less digits than its factorization.

12227473546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18190.

The product of its digits is 564480, while the sum is 43.

The spelling of 12227473546 in words is "twelve billion, two hundred twenty-seven million, four hundred seventy-three thousand, five hundred forty-six".