302221212212 has 48 divisors (see below), whose sum is σ = 543508109760. Its totient is φ = 146964367872.

The previous prime is 302221212203. The next prime is 302221212217. The reversal of 302221212212 is 212212122203.

It is a super-2 number, since 2×302221212212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302221212217) 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, 64893788 + ... + 64898444.

It is an arithmetic number, because the mean of its divisors is an integer number (11323085620).

Almost surely, 2^302221212212 is an apocalyptic number.

It is an amenable number.

302221212212 is a deficient number, since it is larger than the sum of its proper divisors (241286897548).

302221212212 is a wasteful number, since it uses less digits than its factorization.

302221212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240 (or 6238 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 302221212212 its reverse (212212122203), we get a palindrome (514433334415).

Subtracting from 302221212212 its reverse (212212122203), we obtain a palindrome (90009090009).

The spelling of 302221212212 in words is "three hundred two billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twelve".