302220220233212 has 12 divisors (see below), whose sum is σ = 528898301404200. Its totient is φ = 151106419832016.

The previous prime is 302220220233097. The next prime is 302220220233227. The reversal of 302220220233212 is 212332022022203.

It is a super-2 number, since 2×302220220233212² (a number of 30 digits) contains 22 as substring.

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, 922386878 + ... + 922714469.

It is an arithmetic number, because the mean of its divisors is an integer number (44074858450350).

Almost surely, 2^{302220220233212} is an apocalyptic number.

It is an amenable number.

302220220233212 is a deficient number, since it is larger than the sum of its proper divisors (226678081170988).

302220220233212 is a wasteful number, since it uses less digits than its factorization.

302220220233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845142300 (or 1845142298 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 302220220233212 its reverse (212332022022203), we get a palindrome (514552242255415).

The spelling of 302220220233212 in words is "three hundred two trillion, two hundred twenty billion, two hundred twenty million, two hundred thirty-three thousand, two hundred twelve".