12454555112 has 24 divisors (see below), whose sum is σ = 23676648390. Its totient is φ = 6141951360.

The previous prime is 12454555109. The next prime is 12454555121. The reversal of 12454555112 is 21155545421.

It can be written as a sum of positive squares in 3 ways, for example, as 11570444356 + 884110756 = 107566^2 + 29734^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103439 + ... + 188702.

Almost surely, 2^12454555112 is an apocalyptic number.

It is an amenable number.

12454555112 is a deficient number, since it is larger than the sum of its proper divisors (11222093278).

12454555112 is an equidigital number, since it uses as much as digits as its factorization.

12454555112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292293 (or 292216 counting only the distinct ones).

The product of its digits is 40000, while the sum is 35.

The spelling of 12454555112 in words is "twelve billion, four hundred fifty-four million, five hundred fifty-five thousand, one hundred twelve".