12100001232231 has 24 divisors (see below), whose sum is σ = 19895654203776. Its totient is φ = 7014493466640.

The previous prime is 12100001232227. The next prime is 12100001232281. The reversal of 12100001232231 is 13223210000121.

It is not a de Polignac number, because 12100001232231 - 2² = 12100001232227 is a prime.

It is a super-2 number, since 2×12100001232231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100001232281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2657002825 + ... + 2657007378.

It is an arithmetic number, because the mean of its divisors is an integer number (828985591824).

Almost surely, 2^{12100001232231} is an apocalyptic number.

12100001232231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12100001232231 is a deficient number, since it is larger than the sum of its proper divisors (7795652971545).

12100001232231 is a wasteful number, since it uses less digits than its factorization.

12100001232231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5314010243 (or 5314010240 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12100001232231 its reverse (13223210000121), we get a palindrome (25323211232352).

The spelling of 12100001232231 in words is "twelve trillion, one hundred billion, one million, two hundred thirty-two thousand, two hundred thirty-one".