12735474518 has 32 divisors (see below), whose sum is σ = 21620143776. Its totient is φ = 5586029568.

The previous prime is 12735474511. The next prime is 12735474523. The reversal of 12735474518 is 81547453721.

It is a super-2 number, since 2×12735474518² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12735474511) 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, 112571 + ... + 195302.

It is an arithmetic number, because the mean of its divisors is an integer number (675629493).

Almost surely, 2^12735474518 is an apocalyptic number.

12735474518 is a deficient number, since it is larger than the sum of its proper divisors (8884669258).

12735474518 is a wasteful number, since it uses less digits than its factorization.

12735474518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307968.

The product of its digits is 940800, while the sum is 47.

The spelling of 12735474518 in words is "twelve billion, seven hundred thirty-five million, four hundred seventy-four thousand, five hundred eighteen".