12312010112222 has 4 divisors (see below), whose sum is σ = 18468015168336. Its totient is φ = 6156005056110.

The previous prime is 12312010112221. The next prime is 12312010112243. The reversal of 12312010112222 is 22221101021321.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12312010112194 and 12312010112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312010112221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078002528054 + ... + 3078002528057.

It is an arithmetic number, because the mean of its divisors is an integer number (4617003792084).

Almost surely, 2^{12312010112222} is an apocalyptic number.

12312010112222 is a deficient number, since it is larger than the sum of its proper divisors (6156005056114).

12312010112222 is an equidigital number, since it uses as much as digits as its factorization.

12312010112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6156005056113.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12312010112222 its reverse (22221101021321), we get a palindrome (34533111133543).

Subtracting 12312010112222 from its reverse (22221101021321), we obtain a palindrome (9909090909099).

The spelling of 12312010112222 in words is "twelve trillion, three hundred twelve billion, ten million, one hundred twelve thousand, two hundred twenty-two".