12221100112023 has 24 divisors (see below), whose sum is σ = 19354262428800. Its totient is φ = 7369507593360.

The previous prime is 12221100112003. The next prime is 12221100112031. The reversal of 12221100112023 is 32021100112221.

It is not a de Polignac number, because 12221100112023 - 2¹² = 12221100107927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221100111987 and 12221100112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221100112003) 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 23 ways as a sum of consecutive naturals, for example, 310144761 + ... + 310184162.

It is an arithmetic number, because the mean of its divisors is an integer number (806427601200).

Almost surely, 2^{12221100112023} is an apocalyptic number.

12221100112023 is a deficient number, since it is larger than the sum of its proper divisors (7133162316777).

12221100112023 is a wasteful number, since it uses less digits than its factorization.

12221100112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620329139 (or 620329136 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12221100112023 its reverse (32021100112221), we get a palindrome (44242200224244).

The spelling of 12221100112023 in words is "twelve trillion, two hundred twenty-one billion, one hundred million, one hundred twelve thousand, twenty-three".