30220212112 has 60 divisors (see below), whose sum is σ = 64205184256. Its totient is φ = 13762460160.

The previous prime is 30220212053. The next prime is 30220212221. The reversal of 30220212112 is 21121202203.

It is a happy number.

It is a super-2 number, since 2×30220212112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37933 + ... + 248755.

Almost surely, 2^30220212112 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 30220212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32102592128).

30220212112 is an abundant number, since it is smaller than the sum of its proper divisors (33984972144).

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

30220212112 is a wasteful number, since it uses less digits than its factorization.

30220212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210896 (or 210873 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30220212112 its reverse (21121202203), we get a palindrome (51341414315).

Subtracting from 30220212112 its reverse (21121202203), we obtain a palindrome (9099009909).

The spelling of 30220212112 in words is "thirty billion, two hundred twenty million, two hundred twelve thousand, one hundred twelve".