12021111220223 has 8 divisors (see below), whose sum is σ = 13745326987392. Its totient is φ = 10298623994136.

The previous prime is 12021111220219. The next prime is 12021111220229. The reversal of 12021111220223 is 32202211112021.

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 12021111220223 - 2² = 12021111220219 is a prime.

It is a super-2 number, since 2×12021111220223² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021111220195 and 12021111220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021111220229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432120365 + ... + 432148182.

It is an arithmetic number, because the mean of its divisors is an integer number (1718165873424).

Almost surely, 2^{12021111220223} is an apocalyptic number.

12021111220223 is a deficient number, since it is larger than the sum of its proper divisors (1724215767169).

12021111220223 is an equidigital number, since it uses as much as digits as its factorization.

12021111220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864270541.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12021111220223 its reverse (32202211112021), we get a palindrome (44223322332244).

The spelling of 12021111220223 in words is "twelve trillion, twenty-one billion, one hundred eleven million, two hundred twenty thousand, two hundred twenty-three".