312032120212 has 12 divisors (see below), whose sum is σ = 546065374036. Its totient is φ = 156013441920.

The previous prime is 312032120159. The next prime is 312032120227. The reversal of 312032120212 is 212021230213.

It can be written as a sum of positive squares in 2 ways, for example, as 307931767056 + 4100353156 = 554916^2 + 64034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312032120212.

It is a congruent number.

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, 372933 + ... + 873580.

Almost surely, 2^312032120212 is an apocalyptic number.

It is an amenable number.

312032120212 is a deficient number, since it is larger than the sum of its proper divisors (234033253824).

312032120212 is a wasteful number, since it uses less digits than its factorization.

312032120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309098 (or 1309096 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312032120212 its reverse (212021230213), we get a palindrome (524053350425).

The spelling of 312032120212 in words is "three hundred twelve billion, thirty-two million, one hundred twenty thousand, two hundred twelve".