222302130012 has 72 divisors (see below), whose sum is σ = 595734502272. Its totient is φ = 69772233600.

The previous prime is 222302130007. The next prime is 222302130019. The reversal of 222302130012 is 210031203222.

222302130012 is a `hidden beast` number, since 222 + 302 + 130 + 0 + 12 = 666.

It is a super-2 number, since 2×222302130012² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222302130019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2650539 + ... + 2733122.

Almost surely, 2^222302130012 is an apocalyptic number.

It is an amenable number.

222302130012 is an abundant number, since it is smaller than the sum of its proper divisors (373432372260).

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

222302130012 is a wasteful number, since it uses less digits than its factorization.

222302130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383739 (or 5383734 counting only the distinct ones).

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

Adding to 222302130012 its reverse (210031203222), we get a palindrome (432333333234).

The spelling of 222302130012 in words is "two hundred twenty-two billion, three hundred two million, one hundred thirty thousand, twelve".