30222210212212 has 48 divisors (see below), whose sum is σ = 57197475901440. Its totient is φ = 13927293008352.

The previous prime is 30222210212179. The next prime is 30222210212213. The reversal of 30222210212212 is 21221201222203.

It is a happy number.

It is a super-2 number, since 2×30222210212212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222210212213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24735408 + ... + 25928455.

It is an arithmetic number, because the mean of its divisors is an integer number (1191614081280).

Almost surely, 2^{30222210212212} is an apocalyptic number.

It is an amenable number.

30222210212212 is a deficient number, since it is larger than the sum of its proper divisors (26975265689228).

30222210212212 is a wasteful number, since it uses less digits than its factorization.

30222210212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50664100 (or 50664098 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 30222210212212 its reverse (21221201222203), we get a palindrome (51443411434415).

The spelling of 30222210212212 in words is "thirty trillion, two hundred twenty-two billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".