12103203333231 has 48 divisors (see below), whose sum is σ = 18496577299200. Its totient is φ = 7605139009536.

The previous prime is 12103203333229. The next prime is 12103203333253. The reversal of 12103203333231 is 13233330230121.

12103203333231 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 3 + 2 + 0 + 333 + 323 + 1 = 666.

It is not a de Polignac number, because 12103203333231 - 2¹ = 12103203333229 is a prime.

It is a super-2 number, since 2×12103203333231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12103203333195 and 12103203333204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103203333731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34409256 + ... + 34759218.

It is an arithmetic number, because the mean of its divisors is an integer number (385345360400).

Almost surely, 2^{12103203333231} is an apocalyptic number.

12103203333231 is a deficient number, since it is larger than the sum of its proper divisors (6393373965969).

12103203333231 is a wasteful number, since it uses less digits than its factorization.

12103203333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351020 (or 351017 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 12103203333231 its reverse (13233330230121), we get a palindrome (25336533563352).

The spelling of 12103203333231 in words is "twelve trillion, one hundred three billion, two hundred three million, three hundred thirty-three thousand, two hundred thirty-one".