12103500204231 has 16 divisors (see below), whose sum is σ = 16143260308704. Its totient is φ = 8066370497024.

The previous prime is 12103500204223. The next prime is 12103500204293. The reversal of 12103500204231 is 13240200530121.

It is a cyclic number.

It is not a de Polignac number, because 12103500204231 - 2³ = 12103500204223 is a prime.

It is a super-3 number, since 3×12103500204231³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103501204231) 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, 153728131 + ... + 153806843.

It is an arithmetic number, because the mean of its divisors is an integer number (1008953769294).

Almost surely, 2^{12103500204231} is an apocalyptic number.

12103500204231 is a deficient number, since it is larger than the sum of its proper divisors (4039760104473).

12103500204231 is a wasteful number, since it uses less digits than its factorization.

12103500204231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94770.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12103500204231 its reverse (13240200530121), we get a palindrome (25343700734352).

The spelling of 12103500204231 in words is "twelve trillion, one hundred three billion, five hundred million, two hundred four thousand, two hundred thirty-one".