12223130012 has 24 divisors (see below), whose sum is σ = 21897872640. Its totient is φ = 5967217520.

The previous prime is 12223130011. The next prime is 12223130039. The reversal of 12223130012 is 21003132221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223130011) 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, 1187 + ... + 156357.

It is an arithmetic number, because the mean of its divisors is an integer number (912411360).

Almost surely, 2^12223130012 is an apocalyptic number.

It is an amenable number.

12223130012 is a deficient number, since it is larger than the sum of its proper divisors (9674742628).

12223130012 is a wasteful number, since it uses less digits than its factorization.

12223130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155641 (or 155639 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12223130012 its reverse (21003132221), we get a palindrome (33226262233).

The spelling of 12223130012 in words is "twelve billion, two hundred twenty-three million, one hundred thirty thousand, twelve".