12210001223 has 8 divisors (see below), whose sum is σ = 13955010048. Its totient is φ = 10465173144.

The previous prime is 12210001213. The next prime is 12210001241. The reversal of 12210001223 is 32210001221.

It is a happy number.

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 12210001223 - 2¹⁸ = 12209739079 is a prime.

It is a super-2 number, since 2×12210001223² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12210001198 and 12210001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210001213) 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, 164390 + ... + 226812.

It is an arithmetic number, because the mean of its divisors is an integer number (1744376256).

Almost surely, 2^12210001223 is an apocalyptic number.

12210001223 is a deficient number, since it is larger than the sum of its proper divisors (1745008825).

12210001223 is an equidigital number, since it uses as much as digits as its factorization.

12210001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90373.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12210001223 its reverse (32210001221), we get a palindrome (44420002444).

The spelling of 12210001223 in words is "twelve billion, two hundred ten million, one thousand, two hundred twenty-three".