12023100123111 has 48 divisors (see below), whose sum is σ = 21771614312448. Its totient is φ = 6211259236800.

The previous prime is 12023100123109. The next prime is 12023100123131. The reversal of 12023100123111 is 11132100132021.

12023100123111 is a `hidden beast` number, since 120 + 2 + 310 + 0 + 1 + 231 + 1 + 1 = 666.

It is not a de Polignac number, because 12023100123111 - 2¹ = 12023100123109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023100123131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47800951 + ... + 48051816.

It is an arithmetic number, because the mean of its divisors is an integer number (453575298176).

Almost surely, 2^{12023100123111} is an apocalyptic number.

12023100123111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12023100123111 is a deficient number, since it is larger than the sum of its proper divisors (9748514189337).

12023100123111 is a wasteful number, since it uses less digits than its factorization.

12023100123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95852972 (or 95852969 counting only the distinct ones).

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

Adding to 12023100123111 its reverse (11132100132021), we get a palindrome (23155200255132).

The spelling of 12023100123111 in words is "twelve trillion, twenty-three billion, one hundred million, one hundred twenty-three thousand, one hundred eleven".