12440103212 has 48 divisors (see below), whose sum is σ = 22738759680. Its totient is φ = 5948510400.

The previous prime is 12440103133. The next prime is 12440103251. The reversal of 12440103212 is 21230104421.

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 15 ways as a sum of consecutive naturals, for example, 3746489 + ... + 3749807.

It is an arithmetic number, because the mean of its divisors is an integer number (473724160).

Almost surely, 2^12440103212 is an apocalyptic number.

It is an amenable number.

12440103212 is a deficient number, since it is larger than the sum of its proper divisors (10298656468).

12440103212 is a wasteful number, since it uses less digits than its factorization.

12440103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12440103212 its reverse (21230104421), we get a palindrome (33670207633).

The spelling of 12440103212 in words is "twelve billion, four hundred forty million, one hundred three thousand, two hundred twelve".