345432131220122 has 8 divisors (see below), whose sum is σ = 520778390723316. Its totient is φ = 171839334312352.

The previous prime is 345432131220119. The next prime is 345432131220173. The reversal of 345432131220122 is 221022131234543.

It can be written as a sum of positive squares in 2 ways, for example, as 209655080439841 + 135777050780281 = 14479471^2 + 11652341^2 .

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

It is a super-3 number, since 3×345432131220122³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438365648363 + ... + 438365649150.

Almost surely, 2^{345432131220122} is an apocalyptic number.

345432131220122 is a deficient number, since it is larger than the sum of its proper divisors (175346259503194).

345432131220122 is a wasteful number, since it uses less digits than its factorization.

345432131220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876731297712.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 345432131220122 its reverse (221022131234543), we get a palindrome (566454262454665).

The spelling of 345432131220122 in words is "three hundred forty-five trillion, four hundred thirty-two billion, one hundred thirty-one million, two hundred twenty thousand, one hundred twenty-two".