222213030012 has 72 divisors (see below), whose sum is σ = 575138403840. Its totient is φ = 72301813920.

The previous prime is 222213029953. The next prime is 222213030059. The reversal of 222213030012 is 210030312222.

222213030012 is a `hidden beast` number, since 2 + 222 + 130 + 300 + 12 = 666.

It is a super-2 number, since 2×222213030012² (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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2398837 + ... + 2489747.

Almost surely, 2^222213030012 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 222213030012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287569201920).

222213030012 is an abundant number, since it is smaller than the sum of its proper divisors (352925373828).

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

222213030012 is a wasteful number, since it uses less digits than its factorization.

222213030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92543 (or 92538 counting only the distinct ones).

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

Adding to 222213030012 its reverse (210030312222), we get a palindrome (432243342234).

The spelling of 222213030012 in words is "two hundred twenty-two billion, two hundred thirteen million, thirty thousand, twelve".