312225361652 has 12 divisors (see below), whose sum is σ = 570150660576. Its totient is φ = 149325172920.

The previous prime is 312225361639. The next prime is 312225361711. The reversal of 312225361652 is 256163522213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696876874 + ... + 1696877057.

It is an arithmetic number, because the mean of its divisors is an integer number (47512555048).

Almost surely, 2^312225361652 is an apocalyptic number.

It is an amenable number.

312225361652 is a deficient number, since it is larger than the sum of its proper divisors (257925298924).

312225361652 is a wasteful number, since it uses less digits than its factorization.

312225361652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393753958 (or 3393753956 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

Adding to 312225361652 its reverse (256163522213), we get a palindrome (568388883865).

The spelling of 312225361652 in words is "three hundred twelve billion, two hundred twenty-five million, three hundred sixty-one thousand, six hundred fifty-two".