30110221212 has 24 divisors (see below), whose sum is σ = 70810392576. Its totient is φ = 9957710448.

The previous prime is 30110221189. The next prime is 30110221217. The reversal of 30110221212 is 21212201103.

It is a junction number, because it is equal to n+sod(n) for n = 30110221191 and 30110221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30110221217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9877158 + ... + 9880205.

It is an arithmetic number, because the mean of its divisors is an integer number (2950433024).

Almost surely, 2^30110221212 is an apocalyptic number.

It is an amenable number.

30110221212 is an abundant number, since it is smaller than the sum of its proper divisors (40700171364).

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

30110221212 is a wasteful number, since it uses less digits than its factorization.

30110221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19757497 (or 19757495 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30110221212 its reverse (21212201103), we get a palindrome (51322422315).

The spelling of 30110221212 in words is "thirty billion, one hundred ten million, two hundred twenty-one thousand, two hundred twelve".