30120203222 has 4 divisors (see below), whose sum is σ = 45180304836. Its totient is φ = 15060101610.

The previous prime is 30120203159. The next prime is 30120203231. The reversal of 30120203222 is 22230202103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22230202103 = 19 ⋅1170010637.

It is a self number, because there is not a number n which added to its sum of digits gives 30120203222.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 7530050804 + ... + 7530050807.

It is an arithmetic number, because the mean of its divisors is an integer number (11295076209).

Almost surely, 2^30120203222 is an apocalyptic number.

30120203222 is a deficient number, since it is larger than the sum of its proper divisors (15060101614).

30120203222 is a wasteful number, since it uses less digits than its factorization.

30120203222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15060101613.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30120203222 its reverse (22230202103), we get a palindrome (52350405325).

The spelling of 30120203222 in words is "thirty billion, one hundred twenty million, two hundred three thousand, two hundred twenty-two".