302412222121212 has 192 divisors, whose sum is σ = 925076303585280. Its totient is φ = 83604015475200.

The previous prime is 302412222121189. The next prime is 302412222121253. The reversal of 302412222121212 is 212121222214203.

302412222121212 is a `hidden beast` number, since 3 + 0 + 2 + 412 + 2 + 2 + 21 + 212 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159382558 + ... + 161268794.

It is an arithmetic number, because the mean of its divisors is an integer number (4818105747840).

Almost surely, 2^{302412222121212} 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 302412222121212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462538151792640).

302412222121212 is an abundant number, since it is smaller than the sum of its proper divisors (622664081464068).

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

302412222121212 is a wasteful number, since it uses less digits than its factorization.

302412222121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893129 (or 1893121 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 302412222121212 its reverse (212121222214203), we get a palindrome (514533444335415).

The spelling of 302412222121212 in words is "three hundred two trillion, four hundred twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred twelve".