12420232012 has 6 divisors (see below), whose sum is σ = 21735406028. Its totient is φ = 6210116004.

The previous prime is 12420231997. The next prime is 12420232051. The reversal of 12420232012 is 21023202421.

12420232012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1552528998 + ... + 1552529005.

Almost surely, 2^12420232012 is an apocalyptic number.

It is an amenable number.

12420232012 is a deficient number, since it is larger than the sum of its proper divisors (9315174016).

12420232012 is a wasteful number, since it uses less digits than its factorization.

12420232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105058007 (or 3105058005 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12420232012 its reverse (21023202421), we get a palindrome (33443434433).

It can be divided in two parts, 12 and 420232012, that added together give a palindrome (420232024).

The spelling of 12420232012 in words is "twelve billion, four hundred twenty million, two hundred thirty-two thousand, twelve".