12120001223 has 8 divisors (see below), whose sum is σ = 13389185280. Its totient is φ = 10878711480.

The previous prime is 12120001121. The next prime is 12120001261. The reversal of 12120001223 is 32210002121.

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 12120001223 - 2¹⁰ = 12120000199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120001198 and 12120001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120004223) 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, 6972665 + ... + 6974402.

It is an arithmetic number, because the mean of its divisors is an integer number (1673648160).

Almost surely, 2^12120001223 is an apocalyptic number.

12120001223 is a deficient number, since it is larger than the sum of its proper divisors (1269184057).

12120001223 is a wasteful number, since it uses less digits than its factorization.

12120001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947157.

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

Adding to 12120001223 its reverse (32210002121), we get a palindrome (44330003344).

The spelling of 12120001223 in words is "twelve billion, one hundred twenty million, one thousand, two hundred twenty-three".