18474236120012 has 24 divisors (see below), whose sum is σ = 33445653842160. Its totient is φ = 8918352470720.

The previous prime is 18474236119981. The next prime is 18474236120023. The reversal of 18474236120012 is 21002163247481.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108603 + ... + 6433869.

It is an arithmetic number, because the mean of its divisors is an integer number (1393568910090).

Almost surely, 2^{18474236120012} is an apocalyptic number.

It is an amenable number.

18474236120012 is a deficient number, since it is larger than the sum of its proper divisors (14971417722148).

18474236120012 is a wasteful number, since it uses less digits than its factorization.

18474236120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362121 (or 4362119 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

Adding to 18474236120012 its reverse (21002163247481), we get a palindrome (39476399367493).

The spelling of 18474236120012 in words is "eighteen trillion, four hundred seventy-four billion, two hundred thirty-six million, one hundred twenty thousand, twelve".