310312122212 has 12 divisors (see below), whose sum is σ = 543105776640. Its totient is φ = 155139043176.

The previous prime is 310312122179. The next prime is 310312122311. The reversal of 310312122212 is 212221213013.

It is a super-2 number, since 2×310312122212² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213412 + ... + 4286427.

It is an arithmetic number, because the mean of its divisors is an integer number (45258814720).

Almost surely, 2^310312122212 is an apocalyptic number.

It is an amenable number.

310312122212 is a deficient number, since it is larger than the sum of its proper divisors (232793654428).

310312122212 is a wasteful number, since it uses less digits than its factorization.

310312122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508970 (or 8508968 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 310312122212 its reverse (212221213013), we get a palindrome (522533335225).

The spelling of 310312122212 in words is "three hundred ten billion, three hundred twelve million, one hundred twenty-two thousand, two hundred twelve".