12010012223 has 16 divisors (see below), whose sum is σ = 13254178560. Its totient is φ = 10791532800.

The previous prime is 12010012181. The next prime is 12010012303. The reversal of 12010012223 is 32221001021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12010012223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010012198 and 12010012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010012123) 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, 858398 + ... + 872276.

It is an arithmetic number, because the mean of its divisors is an integer number (828386160).

Almost surely, 2^12010012223 is an apocalyptic number.

12010012223 is a deficient number, since it is larger than the sum of its proper divisors (1244166337).

12010012223 is a wasteful number, since it uses less digits than its factorization.

12010012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14798.

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

Adding to 12010012223 its reverse (32221001021), we get a palindrome (44231013244).

The spelling of 12010012223 in words is "twelve billion, ten million, twelve thousand, two hundred twenty-three".