12103313012012 has 24 divisors (see below), whose sum is σ = 21189696459120. Its totient is φ = 6049114352960.

The previous prime is 12103313011981. The next prime is 12103313012033. The reversal of 12103313012012 is 21021031330121.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 192509462 + ... + 192572322.

It is an arithmetic number, because the mean of its divisors is an integer number (882904019130).

Almost surely, 2^{12103313012012} is an apocalyptic number.

It is an amenable number.

12103313012012 is a deficient number, since it is larger than the sum of its proper divisors (9086383447108).

12103313012012 is a wasteful number, since it uses less digits than its factorization.

12103313012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82321 (or 82319 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12103313012012 its reverse (21021031330121), we get a palindrome (33124344342133).

The spelling of 12103313012012 in words is "twelve trillion, one hundred three billion, three hundred thirteen million, twelve thousand, twelve".