302012030221 has 16 divisors (see below), whose sum is σ = 332891710848. Its totient is φ = 271705672000.

The previous prime is 302012030179. The next prime is 302012030233. The reversal of 302012030221 is 122030210203.

It is a cyclic number.

It is not a de Polignac number, because 302012030221 - 2¹¹ = 302012028173 is a prime.

It is a super-2 number, since 2×302012030221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302012030195 and 302012030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302012030261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2253531 + ... + 2383783.

It is an arithmetic number, because the mean of its divisors is an integer number (20805731928).

Almost surely, 2^302012030221 is an apocalyptic number.

It is an amenable number.

302012030221 is a deficient number, since it is larger than the sum of its proper divisors (30879680627).

302012030221 is a wasteful number, since it uses less digits than its factorization.

302012030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132452.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 302012030221 its reverse (122030210203), we get a palindrome (424042240424).

The spelling of 302012030221 in words is "three hundred two billion, twelve million, thirty thousand, two hundred twenty-one".