12012002618 has 16 divisors (see below), whose sum is σ = 22464005184. Its totient is φ = 4680000960.

The previous prime is 12012002617. The next prime is 12012002621. The reversal of 12012002618 is 81620021021.

It is a junction number, because it is equal to n+sod(n) for n = 12012002593 and 12012002602.

It is not an unprimeable number, because it can be changed into a prime (12012002617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38999855 + ... + 39000162.

It is an arithmetic number, because the mean of its divisors is an integer number (1404000324).

Almost surely, 2^12012002618 is an apocalyptic number.

12012002618 is a deficient number, since it is larger than the sum of its proper divisors (10452002566).

12012002618 is a wasteful number, since it uses less digits than its factorization.

12012002618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78000037.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 12012002618 its reverse (81620021021), we get a palindrome (93632023639).

The spelling of 12012002618 in words is "twelve billion, twelve million, two thousand, six hundred eighteen".