305121140222 has 8 divisors (see below), whose sum is σ = 484604163936. Its totient is φ = 143586418912.

The previous prime is 305121140209. The next prime is 305121140243. The reversal of 305121140222 is 222041121503.

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

It is a congruent number.

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, 4487075558 + ... + 4487075625.

It is an arithmetic number, because the mean of its divisors is an integer number (60575520492).

Almost surely, 2^305121140222 is an apocalyptic number.

305121140222 is a deficient number, since it is larger than the sum of its proper divisors (179483023714).

305121140222 is a wasteful number, since it uses less digits than its factorization.

305121140222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8974151202.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 305121140222 its reverse (222041121503), we get a palindrome (527162261725).

The spelling of 305121140222 in words is "three hundred five billion, one hundred twenty-one million, one hundred forty thousand, two hundred twenty-two".