12030312100103 has 12 divisors (see below), whose sum is σ = 13447526350440. Its totient is φ = 10751280452880.

The previous prime is 12030312100057. The next prime is 12030312100231. The reversal of 12030312100103 is 30100121303021.

It is not a de Polignac number, because 12030312100103 - 2⁶ = 12030312100039 is a prime.

It is a super-2 number, since 2×12030312100103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030312102103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842569700 + ... + 842583977.

It is an arithmetic number, because the mean of its divisors is an integer number (1120627195870).

Almost surely, 2^{12030312100103} is an apocalyptic number.

12030312100103 is a deficient number, since it is larger than the sum of its proper divisors (1417214250337).

12030312100103 is a wasteful number, since it uses less digits than its factorization.

12030312100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685153758 (or 1685153747 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12030312100103 its reverse (30100121303021), we get a palindrome (42130433403124).

The spelling of 12030312100103 in words is "twelve trillion, thirty billion, three hundred twelve million, one hundred thousand, one hundred three".