30201221188 has 12 divisors (see below), whose sum is σ = 52870905360. Its totient is φ = 15095248232.

The previous prime is 30201221159. The next prime is 30201221201. The reversal of 30201221188 is 88112210203.

It is a super-2 number, since 2×30201221188² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327906 + ... + 1350457.

It is an arithmetic number, because the mean of its divisors is an integer number (4405908780).

Almost surely, 2^30201221188 is an apocalyptic number.

It is an amenable number.

30201221188 is a deficient number, since it is larger than the sum of its proper divisors (22669684172).

30201221188 is a wasteful number, since it uses less digits than its factorization.

30201221188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681186 (or 2681184 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The spelling of 30201221188 in words is "thirty billion, two hundred one million, two hundred twenty-one thousand, one hundred eighty-eight".