2112031212 has 24 divisors (see below), whose sum is σ = 5142337536. Its totient is φ = 673401168.

The previous prime is 2112031211. The next prime is 2112031213. The reversal of 2112031212 is 2121302112.

It is an interprime number because it is at equal distance from previous prime (2112031211) and next prime (2112031213).

It is a junction number, because it is equal to n+sod(n) for n = 2112031191 and 2112031200.

It is not an unprimeable number, because it can be changed into a prime (2112031211) 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, 3825868 + ... + 3826419.

It is an arithmetic number, because the mean of its divisors is an integer number (214264064).

Almost surely, 2^2112031212 is an apocalyptic number.

It is an amenable number.

2112031212 is an abundant number, since it is smaller than the sum of its proper divisors (3030306324).

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

2112031212 is a wasteful number, since it uses less digits than its factorization.

2112031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652317 (or 7652315 counting only the distinct ones).

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

The square root of 2112031212 is about 45956.8407530370. The cubic root of 2112031212 is about 1283.0200522678.

Adding to 2112031212 its reverse (2121302112), we get a palindrome (4233333324).

The spelling of 2112031212 in words is "two billion, one hundred twelve million, thirty-one thousand, two hundred twelve".