12103203203012 has 6 divisors (see below), whose sum is σ = 21180605605278. Its totient is φ = 6051601601504.

The previous prime is 12103203202943. The next prime is 12103203203051. The reversal of 12103203203012 is 21030230230121.

It can be written as a sum of positive squares in only one way, i.e., 9378379507396 + 2724823695616 = 3062414^2 + 1650704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512900400373 + ... + 1512900400380.

It is an arithmetic number, because the mean of its divisors is an integer number (3530100934213).

Almost surely, 2^{12103203203012} is an apocalyptic number.

It is an amenable number.

12103203203012 is a deficient number, since it is larger than the sum of its proper divisors (9077402402266).

12103203203012 is a wasteful number, since it uses less digits than its factorization.

12103203203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025800800757 (or 3025800800755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12103203203012 its reverse (21030230230121), we get a palindrome (33133433433133).

The spelling of 12103203203012 in words is "twelve trillion, one hundred three billion, two hundred three million, two hundred three thousand, twelve".