12210021231223 has 16 divisors (see below), whose sum is σ = 12300064932640. Its totient is φ = 12120266317824.

The previous prime is 12210021231197. The next prime is 12210021231241. The reversal of 12210021231223 is 32213212001221.

It is a cyclic number.

It is not a de Polignac number, because 12210021231223 - 2³⁷ = 12072582277751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210021231194 and 12210021231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210021231523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431298193 + ... + 431326501.

It is an arithmetic number, because the mean of its divisors is an integer number (768754058290).

Almost surely, 2^{12210021231223} is an apocalyptic number.

12210021231223 is a deficient number, since it is larger than the sum of its proper divisors (90043701417).

12210021231223 is a wasteful number, since it uses less digits than its factorization.

12210021231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33298.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12210021231223 its reverse (32213212001221), we get a palindrome (44423233232444).

The spelling of 12210021231223 in words is "twelve trillion, two hundred ten billion, twenty-one million, two hundred thirty-one thousand, two hundred twenty-three".