3115222012 has 12 divisors (see below), whose sum is σ = 6230444080. Its totient is φ = 1335095136.

The previous prime is 3115221979. The next prime is 3115222013. The reversal of 3115222012 is 2102225113.

3115222012 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55628937 + ... + 55628992.

Almost surely, 2^3115222012 is an apocalyptic number.

It is an amenable number.

3115222012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3115222012 is a wasteful number, since it uses less digits than its factorization.

3115222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111257940 (or 111257938 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 3115222012 is about 55814.1739345840. The cubic root of 3115222012 is about 1460.4824220501.

Adding to 3115222012 its reverse (2102225113), we get a palindrome (5217447125).

The spelling of 3115222012 in words is "three billion, one hundred fifteen million, two hundred twenty-two thousand, twelve".