12101231100231 has 64 divisors (see below), whose sum is σ = 23362859520000. Its totient is φ = 6007592406528.

The previous prime is 12101231100169. The next prime is 12101231100253. The reversal of 12101231100231 is 13200113210121.

12101231100231 is a `hidden beast` number, since 1 + 2 + 101 + 231 + 100 + 231 = 666.

It is not a de Polignac number, because 12101231100231 - 2⁷ = 12101231100103 is a prime.

It is a super-2 number, since 2×12101231100231² (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 (12101231100281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144817231 + ... + 144900768.

It is an arithmetic number, because the mean of its divisors is an integer number (365044680000).

Almost surely, 2^{12101231100231} is an apocalyptic number.

12101231100231 is a deficient number, since it is larger than the sum of its proper divisors (11261628419769).

12101231100231 is a wasteful number, since it uses less digits than its factorization.

12101231100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289718045 (or 289718039 counting only the distinct ones).

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

Adding to 12101231100231 its reverse (13200113210121), we get a palindrome (25301344310352).

The spelling of 12101231100231 in words is "twelve trillion, one hundred one billion, two hundred thirty-one million, one hundred thousand, two hundred thirty-one".