12110123031221 has 8 divisors (see below), whose sum is σ = 12141120016800. Its totient is φ = 12079162927440.

The previous prime is 12110123031203. The next prime is 12110123031229. The reversal of 12110123031221 is 12213032101121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12110123031221 - 2⁶ = 12110123031157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110123031193 and 12110123031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110123031229) 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 7 ways as a sum of consecutive naturals, for example, 8562851 + ... + 9876368.

It is an arithmetic number, because the mean of its divisors is an integer number (1517640002100).

Almost surely, 2^{12110123031221} is an apocalyptic number.

It is an amenable number.

12110123031221 is a deficient number, since it is larger than the sum of its proper divisors (30996985579).

12110123031221 is a wasteful number, since it uses less digits than its factorization.

12110123031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18440899.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12110123031221 its reverse (12213032101121), we get a palindrome (24323155132342).

The spelling of 12110123031221 in words is "twelve trillion, one hundred ten billion, one hundred twenty-three million, thirty-one thousand, two hundred twenty-one".