12110012012121 has 16 divisors (see below), whose sum is σ = 16157011680000. Its totient is φ = 8068177573328.

The previous prime is 12110012012101. The next prime is 12110012012123. The reversal of 12110012012121 is 12121021001121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12110012012121 - 2⁶ = 12110012012057 is a prime.

It is a super-2 number, since 2×12110012012121² (a number of 27 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 12110012012121.

It is not an unprimeable number, because it can be changed into a prime (12110012012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72284470 + ... + 72451808.

It is an arithmetic number, because the mean of its divisors is an integer number (1009813230000).

Almost surely, 2^{12110012012121} is an apocalyptic number.

It is an amenable number.

12110012012121 is a deficient number, since it is larger than the sum of its proper divisors (4046999667879).

12110012012121 is a wasteful number, since it uses less digits than its factorization.

12110012012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182628.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12110012012121 its reverse (12121021001121), we get a palindrome (24231033013242).

The spelling of 12110012012121 in words is "twelve trillion, one hundred ten billion, twelve million, twelve thousand, one hundred twenty-one".