12240424312112 has 40 divisors (see below), whose sum is σ = 25111298349936. Its totient is φ = 5760101523456.

The previous prime is 12240424312099. The next prime is 12240424312169. The reversal of 12240424312112 is 21121342404221.

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 7 ways as a sum of consecutive naturals, for example, 17065583 + ... + 17768369.

Almost surely, 2^{12240424312112} is an apocalyptic number.

It is an amenable number.

12240424312112 is an abundant number, since it is smaller than the sum of its proper divisors (12870874037824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12240424312112 is a wasteful number, since it uses less digits than its factorization.

12240424312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766845 (or 766839 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 12240424312112 its reverse (21121342404221), we get a palindrome (33361766716333).

The spelling of 12240424312112 in words is "twelve trillion, two hundred forty billion, four hundred twenty-four million, three hundred twelve thousand, one hundred twelve".