12103321302012 has 24 divisors (see below), whose sum is σ = 28241196396112. Its totient is φ = 4034424240000.

The previous prime is 12103321301987. The next prime is 12103321302031. The reversal of 12103321302012 is 21020312330121.

It is a self number, because there is not a number n which added to its sum of digits gives 12103321302012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309512 + ... + 5091312.

Almost surely, 2^{12103321302012} is an apocalyptic number.

12103321302012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103321302012 is an abundant number, since it is smaller than the sum of its proper divisors (16137875094100).

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

12103321302012 is a wasteful number, since it uses less digits than its factorization.

12103321302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048509 (or 4048507 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12103321302012 its reverse (21020312330121), we get a palindrome (33123633632133).

The spelling of 12103321302012 in words is "twelve trillion, one hundred three billion, three hundred twenty-one million, three hundred two thousand, twelve".