312321255000212 has 6 divisors (see below), whose sum is σ = 546562196250378. Its totient is φ = 156160627500104.

The previous prime is 312321255000197. The next prime is 312321255000221. The reversal of 312321255000212 is 212000552123213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 312049257287056 + 271997713156 = 17664916^2 + 521534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39040156875023 + ... + 39040156875030.

It is an arithmetic number, because the mean of its divisors is an integer number (91093699375063).

Almost surely, 2^{312321255000212} is an apocalyptic number.

It is an amenable number.

312321255000212 is a deficient number, since it is larger than the sum of its proper divisors (234240941250166).

312321255000212 is a wasteful number, since it uses less digits than its factorization.

312321255000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78080313750057 (or 78080313750055 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 312321255000212 in words is "three hundred twelve trillion, three hundred twenty-one billion, two hundred fifty-five million, two hundred twelve", and thus it is an aban number.