12310222122 has 96 divisors (see below), whose sum is σ = 30914282880. Its totient is φ = 3504332160.

The previous prime is 12310222097. The next prime is 12310222123. The reversal of 12310222122 is 22122201321.

12310222122 is a `hidden beast` number, since 12 + 310 + 222 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12310222095 and 12310222104.

It is not an unprimeable number, because it can be changed into a prime (12310222123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183483 + ... + 241425.

It is an arithmetic number, because the mean of its divisors is an integer number (322023780).

Almost surely, 2^12310222122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12310222122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15457141440).

12310222122 is an abundant number, since it is smaller than the sum of its proper divisors (18604060758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12310222122 is a wasteful number, since it uses less digits than its factorization.

12310222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58028 (or 58025 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12310222122 its reverse (22122201321), we get a palindrome (34432423443).

It can be divided in two parts, 12310 and 222122, that added together give a palindrome (234432).

The spelling of 12310222122 in words is "twelve billion, three hundred ten million, two hundred twenty-two thousand, one hundred twenty-two".