302012112222 has 64 divisors (see below), whose sum is σ = 721223101440. Its totient is φ = 93334716288.

The previous prime is 302012112217. The next prime is 302012112229. The reversal of 302012112222 is 222211210203.

302012112222 is a `hidden beast` number, since 30 + 201 + 211 + 2 + 222 = 666.

It is a super-2 number, since 2×302012112222² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 302012112195 and 302012112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302012112229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2393638 + ... + 2516649.

It is an arithmetic number, because the mean of its divisors is an integer number (11269110960).

Almost surely, 2^302012112222 is an apocalyptic number.

302012112222 is an abundant number, since it is smaller than the sum of its proper divisors (419210989218).

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

302012112222 is a wasteful number, since it uses less digits than its factorization.

302012112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910382 (or 4910376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 302012112222 its reverse (222211210203), we get a palindrome (524223322425).

The spelling of 302012112222 in words is "three hundred two billion, twelve million, one hundred twelve thousand, two hundred twenty-two".