12102111013203 has 6 divisors (see below), whose sum is σ = 17480827019084. Its totient is φ = 8068074008796.

The previous prime is 12102111013129. The next prime is 12102111013249. The reversal of 12102111013203 is 30231011120121.

12102111013203 is a `hidden beast` number, since 1 + 210 + 21 + 110 + 1 + 320 + 3 = 666.

It is not a de Polignac number, because 12102111013203 - 2¹⁰ = 12102111012179 is a prime.

It is a super-2 number, since 2×12102111013203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102111013273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672339500725 + ... + 672339500742.

Almost surely, 2^{12102111013203} is an apocalyptic number.

12102111013203 is a deficient number, since it is larger than the sum of its proper divisors (5378716005881).

12102111013203 is a wasteful number, since it uses less digits than its factorization.

12102111013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344679001473 (or 1344679001470 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12102111013203 its reverse (30231011120121), we get a palindrome (42333122133324).

The spelling of 12102111013203 in words is "twelve trillion, one hundred two billion, one hundred eleven million, thirteen thousand, two hundred three".