302220012121 has 8 divisors (see below), whose sum is σ = 317476526400. Its totient is φ = 287139874032.

The previous prime is 302220012109. The next prime is 302220012139. The reversal of 302220012121 is 121210022203.

It is a happy number.

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 302220012121 - 2⁵ = 302220012089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302220012095 and 302220012104.

It is not an unprimeable number, because it can be changed into a prime (302220012421) 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, 44090535 + ... + 44097388.

It is an arithmetic number, because the mean of its divisors is an integer number (39684565800).

Almost surely, 2^302220012121 is an apocalyptic number.

It is an amenable number.

302220012121 is a deficient number, since it is larger than the sum of its proper divisors (15256514279).

302220012121 is a wasteful number, since it uses less digits than its factorization.

302220012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88188095.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 302220012121 its reverse (121210022203), we get a palindrome (423430034324).

The spelling of 302220012121 in words is "three hundred two billion, two hundred twenty million, twelve thousand, one hundred twenty-one".