302123320212 has 96 divisors (see below), whose sum is σ = 821272338432. Its totient is φ = 84650057856.

The previous prime is 302123320199. The next prime is 302123320223. The reversal of 302123320212 is 212023321203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9524803 + ... + 9556469.

It is an arithmetic number, because the mean of its divisors is an integer number (8554920192).

Almost surely, 2^302123320212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302123320212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410636169216).

302123320212 is an abundant number, since it is smaller than the sum of its proper divisors (519149018220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302123320212 is a wasteful number, since it uses less digits than its factorization.

302123320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33877 (or 33875 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 302123320212 its reverse (212023321203), we get a palindrome (514146641415).

Subtracting from 302123320212 its reverse (212023321203), we obtain a palindrome (90099999009).

The spelling of 302123320212 in words is "three hundred two billion, one hundred twenty-three million, three hundred twenty thousand, two hundred twelve".