2112210312 has 16 divisors (see below), whose sum is σ = 5280525840. Its totient is φ = 704070096.

The previous prime is 2112210299. The next prime is 2112210323. The reversal of 2112210312 is 2130122112.

It is a super-2 number, since 2×2112210312² = 8922864804238274688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112210291 and 2112210300.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 44004358 + ... + 44004405.

It is an arithmetic number, because the mean of its divisors is an integer number (330032865).

Almost surely, 2^2112210312 is an apocalyptic number.

It is an amenable number.

2112210312 is an abundant number, since it is smaller than the sum of its proper divisors (3168315528).

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

2112210312 is a wasteful number, since it uses less digits than its factorization.

2112210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88008772 (or 88008768 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2112210312 is about 45958.7892790922. The cubic root of 2112210312 is about 1283.0563178929.

Adding to 2112210312 its reverse (2130122112), we get a palindrome (4242332424).

The spelling of 2112210312 in words is "two billion, one hundred twelve million, two hundred ten thousand, three hundred twelve".