12100110001038 has 24 divisors (see below), whose sum is σ = 26218462205208. Its totient is φ = 4033130430672.

The previous prime is 12100110001009. The next prime is 12100110001039. The reversal of 12100110001038 is 83010001100121.

It is a happy number.

It is a super-2 number, since 2×12100110001038² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 12100110001038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100110001039) 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 11 ways as a sum of consecutive naturals, for example, 19652545 + ... + 20258892.

It is an arithmetic number, because the mean of its divisors is an integer number (1092435925217).

Almost surely, 2^{12100110001038} is an apocalyptic number.

12100110001038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12100110001038 is an abundant number, since it is smaller than the sum of its proper divisors (14118352204170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12100110001038 is a wasteful number, since it uses less digits than its factorization.

12100110001038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39928288 (or 39928285 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12100110001038 its reverse (83010001100121), we get a palindrome (95110111101159).

The spelling of 12100110001038 in words is "twelve trillion, one hundred billion, one hundred ten million, one thousand, thirty-eight".