310222012 has 12 divisors (see below), whose sum is σ = 543379816. Its totient is φ = 154970640.

The previous prime is 310221983. The next prime is 310222013. The reversal of 310222012 is 210222013.

It is a junction number, because it is equal to n+sod(n) for n = 310221983 and 310222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310222013) 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 3 ways as a sum of consecutive naturals, for example, 30039 + ... + 39022.

Almost surely, 2^310222012 is an apocalyptic number.

It is an amenable number.

310222012 is a deficient number, since it is larger than the sum of its proper divisors (233157804).

310222012 is a wasteful number, since it uses less digits than its factorization.

310222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70188 (or 70186 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 310222012 is about 17613.1204503915. The cubic root of 310222012 is about 676.9514716991.

Adding to 310222012 its reverse (210222013), we get a palindrome (520444025).

Subtracting from 310222012 its reverse (210222013), we obtain a palindrome (99999999).

The spelling of 310222012 in words is "three hundred ten million, two hundred twenty-two thousand, twelve".