612102325321 has 4 divisors (see below), whose sum is σ = 644318237200. Its totient is φ = 579886413444.

The previous prime is 612102325319. The next prime is 612102325399. The reversal of 612102325321 is 123523201216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 612102325321 - 2¹ = 612102325319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612102325321.

It is not an unprimeable number, because it can be changed into a prime (612102320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16107955911 + ... + 16107955948.

It is an arithmetic number, because the mean of its divisors is an integer number (161079559300).

Almost surely, 2^612102325321 is an apocalyptic number.

It is an amenable number.

612102325321 is a deficient number, since it is larger than the sum of its proper divisors (32215911879).

612102325321 is a wasteful number, since it uses less digits than its factorization.

612102325321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32215911878.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 612102325321 its reverse (123523201216), we get a palindrome (735625526537).

The spelling of 612102325321 in words is "six hundred twelve billion, one hundred two million, three hundred twenty-five thousand, three hundred twenty-one".