312303320212132 has 6 divisors (see below), whose sum is σ = 546530810371238. Its totient is φ = 156151660106064.

The previous prime is 312303320212127. The next prime is 312303320212133. The reversal of 312303320212132 is 231212023303213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 300547089654436 + 11756230557696 = 17336294^2 + 3428736^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312303320212132.

It is not an unprimeable number, because it can be changed into a prime (312303320212133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39037915026513 + ... + 39037915026520.

Almost surely, 2^{312303320212132} is an apocalyptic number.

It is an amenable number.

312303320212132 is a deficient number, since it is larger than the sum of its proper divisors (234227490159106).

312303320212132 is a wasteful number, since it uses less digits than its factorization.

312303320212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78075830053037 (or 78075830053035 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 312303320212132 its reverse (231212023303213), we get a palindrome (543515343515345).

The spelling of 312303320212132 in words is "three hundred twelve trillion, three hundred three billion, three hundred twenty million, two hundred twelve thousand, one hundred thirty-two".