12103021211003 has 16 divisors (see below), whose sum is σ = 12255595622400. Its totient is φ = 11951157978144.

The previous prime is 12103021210999. The next prime is 12103021211027. The reversal of 12103021211003 is 30011212030121.

It is a cyclic number.

It is not a de Polignac number, because 12103021211003 - 2² = 12103021210999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103021211093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67772273 + ... + 67950621.

It is an arithmetic number, because the mean of its divisors is an integer number (765974726400).

Almost surely, 2^{12103021211003} is an apocalyptic number.

12103021211003 is a deficient number, since it is larger than the sum of its proper divisors (152574411397).

12103021211003 is a wasteful number, since it uses less digits than its factorization.

12103021211003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180338.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12103021211003 its reverse (30011212030121), we get a palindrome (42114233241124).

The spelling of 12103021211003 in words is "twelve trillion, one hundred three billion, twenty-one million, two hundred eleven thousand, three".