302012322030 has 144 divisors (see below), whose sum is σ = 851136833664. Its totient is φ = 74235450240.

The previous prime is 302012322023. The next prime is 302012322083. The reversal of 302012322030 is 30223210203.

It is a happy number.

302012322030 is a `hidden beast` number, since 30 + 201 + 232 + 203 + 0 = 666.

It is a super-2 number, since 2×302012322030² (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 = 302012321994 and 302012322012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1076515 + ... + 1327745.

It is an arithmetic number, because the mean of its divisors is an integer number (5910672456).

Almost surely, 2^302012322030 is an apocalyptic number.

302012322030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 302012322030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425568416832).

302012322030 is an abundant number, since it is smaller than the sum of its proper divisors (549124511634).

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

302012322030 is a wasteful number, since it uses less digits than its factorization.

302012322030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251319 (or 251297 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 302012322030 its reverse (30223210203), we get a palindrome (332235532233).

The spelling of 302012322030 in words is "three hundred two billion, twelve million, three hundred twenty-two thousand, thirty".