612312216322 has 32 divisors (see below), whose sum is σ = 989097868800. Its totient is φ = 283228992768.

The previous prime is 612312216319. The next prime is 612312216331. The reversal of 612312216322 is 223612213216.

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 15 ways as a sum of consecutive naturals, for example, 25470204 + ... + 25494232.

It is an arithmetic number, because the mean of its divisors is an integer number (30909308400).

Almost surely, 2^612312216322 is an apocalyptic number.

612312216322 is a deficient number, since it is larger than the sum of its proper divisors (376785652478).

612312216322 is a wasteful number, since it uses less digits than its factorization.

612312216322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36810.

The product of its digits is 10368, while the sum is 31.

Adding to 612312216322 its reverse (223612213216), we get a palindrome (835924429538).

The spelling of 612312216322 in words is "six hundred twelve billion, three hundred twelve million, two hundred sixteen thousand, three hundred twenty-two".