612347312 has 40 divisors (see below), whose sum is σ = 1213144080. Its totient is φ = 299335680.

The previous prime is 612347279. The next prime is 612347321. The reversal of 612347312 is 213743216.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180512 + ... + 183872.

It is an arithmetic number, because the mean of its divisors is an integer number (30328602).

Almost surely, 2^612347312 is an apocalyptic number.

It is an amenable number.

612347312 is a deficient number, since it is larger than the sum of its proper divisors (600796768).

612347312 is a wasteful number, since it uses less digits than its factorization.

612347312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621 (or 3615 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 612347312 is about 24745.6523858233. The cubic root of 612347312 is about 849.1790514252.

It can be divided in two parts, 6123 and 47312, that added together give a palindrome (53435).

The spelling of 612347312 in words is "six hundred twelve million, three hundred forty-seven thousand, three hundred twelve".