302012123022 has 64 divisors (see below), whose sum is σ = 687649374720. Its totient is φ = 98195025600.

The previous prime is 302012123011. The next prime is 302012123047. The reversal of 302012123022 is 220321210203.

It is a super-2 number, since 2×302012123022² (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 = 302012122986 and 302012123004.

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, 13722447 + ... + 13744437.

It is an arithmetic number, because the mean of its divisors is an integer number (10744521480).

Almost surely, 2^302012123022 is an apocalyptic number.

302012123022 is an abundant number, since it is smaller than the sum of its proper divisors (385637251698).

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

302012123022 is a wasteful number, since it uses less digits than its factorization.

302012123022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28246 (or 28240 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 302012123022 its reverse (220321210203), we get a palindrome (522333333225).

The spelling of 302012123022 in words is "three hundred two billion, twelve million, one hundred twenty-three thousand, twenty-two".