12100230231 has 4 divisors (see below), whose sum is σ = 16133640312. Its totient is φ = 8066820152.

The previous prime is 12100230221. The next prime is 12100230257. The reversal of 12100230231 is 13203200121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12100230231 - 2²² = 12096035927 is a prime.

It is a super-2 number, since 2×12100230231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12100230231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100230221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016705036 + ... + 2016705041.

It is an arithmetic number, because the mean of its divisors is an integer number (4033410078).

Almost surely, 2^12100230231 is an apocalyptic number.

12100230231 is a deficient number, since it is larger than the sum of its proper divisors (4033410081).

12100230231 is an equidigital number, since it uses as much as digits as its factorization.

12100230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033410080.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12100230231 its reverse (13203200121), we get a palindrome (25303430352).

The spelling of 12100230231 in words is "twelve billion, one hundred million, two hundred thirty thousand, two hundred thirty-one".