30120202212 has 24 divisors (see below), whose sum is σ = 70335031200. Its totient is φ = 10032273216.

The previous prime is 30120202199. The next prime is 30120202223. The reversal of 30120202212 is 21220202103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30120202191 and 30120202200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958162 + ... + 989097.

It is an arithmetic number, because the mean of its divisors is an integer number (2930626300).

Almost surely, 2^30120202212 is an apocalyptic number.

It is an amenable number.

30120202212 is an abundant number, since it is smaller than the sum of its proper divisors (40214828988).

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

30120202212 is a wasteful number, since it uses less digits than its factorization.

30120202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948555 (or 1948553 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30120202212 its reverse (21220202103), we get a palindrome (51340404315).

The spelling of 30120202212 in words is "thirty billion, one hundred twenty million, two hundred two thousand, two hundred twelve".