312330030212 has 6 divisors (see below), whose sum is σ = 546577552878. Its totient is φ = 156165015104.

The previous prime is 312330030209. The next prime is 312330030227. The reversal of 312330030212 is 212030033213.

It can be written as a sum of positive squares in only one way, i.e., 306278123776 + 6051906436 = 553424^2 + 77794^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39041253773 + ... + 39041253780.

It is an arithmetic number, because the mean of its divisors is an integer number (91096258813).

Almost surely, 2^312330030212 is an apocalyptic number.

It is an amenable number.

312330030212 is a deficient number, since it is larger than the sum of its proper divisors (234247522666).

312330030212 is a wasteful number, since it uses less digits than its factorization.

312330030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78082507557 (or 78082507555 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 312330030212 its reverse (212030033213), we get a palindrome (524360063425).

The spelling of 312330030212 in words is "three hundred twelve billion, three hundred thirty million, thirty thousand, two hundred twelve".