2220112232312 has 32 divisors (see below), whose sum is σ = 4515640995600. Its totient is φ = 1017187855104.

The previous prime is 2220112232311. The next prime is 2220112232339. The reversal of 2220112232312 is 2132322110222.

It is a happy number.

It is a super-2 number, since 2×2220112232312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220112232311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77895362 + ... + 77923857.

Almost surely, 2^{2220112232312} is an apocalyptic number.

It is an amenable number.

2220112232312 is an abundant number, since it is smaller than the sum of its proper divisors (2295528763288).

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

2220112232312 is a wasteful number, since it uses less digits than its factorization.

2220112232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155819375 (or 155819371 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2220112232312 its reverse (2132322110222), we get a palindrome (4352434342534).

The spelling of 2220112232312 in words is "two trillion, two hundred twenty billion, one hundred twelve million, two hundred thirty-two thousand, three hundred twelve".