345122130333221 has 8 divisors (see below), whose sum is σ = 352497878431104. Its totient is φ = 337747745737440.

The previous prime is 345122130333193. The next prime is 345122130333241. The reversal of 345122130333221 is 122333031221543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345122130333221 - 2⁶ = 345122130333157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345122130333241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340363880 + ... + 341376353.

It is an arithmetic number, because the mean of its divisors is an integer number (44062234803888).

Almost surely, 2^{345122130333221} is an apocalyptic number.

It is an amenable number.

345122130333221 is a deficient number, since it is larger than the sum of its proper divisors (7375748097883).

345122130333221 is a wasteful number, since it uses less digits than its factorization.

345122130333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681751051.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 345122130333221 its reverse (122333031221543), we get a palindrome (467455161554764).

The spelling of 345122130333221 in words is "three hundred forty-five trillion, one hundred twenty-two billion, one hundred thirty million, three hundred thirty-three thousand, two hundred twenty-one".