30121002230 has 32 divisors (see below), whose sum is σ = 59689349280. Its totient is φ = 10852600320.

The previous prime is 30121002229. The next prime is 30121002251. The reversal of 30121002230 is 3220012103.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244099 + ... + 1268078.

It is an arithmetic number, because the mean of its divisors is an integer number (1865292165).

Almost surely, 2^30121002230 is an apocalyptic number.

30121002230 is a deficient number, since it is larger than the sum of its proper divisors (29568347050).

30121002230 is a wasteful number, since it uses less digits than its factorization.

30121002230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512304.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30121002230 its reverse (3220012103), we get a palindrome (33341014333).

The spelling of 30121002230 in words is "thirty billion, one hundred twenty-one million, two thousand, two hundred thirty".