30123112201 has 16 divisors (see below), whose sum is σ = 37087593984. Its totient is φ = 23825317824.

The previous prime is 30123112189. The next prime is 30123112211. The reversal of 30123112201 is 10221132103.

It is a de Polignac number, because none of the positive numbers 2^k-30123112201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30123112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209811 + ... + 322903.

It is an arithmetic number, because the mean of its divisors is an integer number (2317974624).

Almost surely, 2^30123112201 is an apocalyptic number.

It is an amenable number.

30123112201 is a deficient number, since it is larger than the sum of its proper divisors (6964481783).

30123112201 is a wasteful number, since it uses less digits than its factorization.

30123112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116040.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30123112201 its reverse (10221132103), we get a palindrome (40344244304).

The spelling of 30123112201 in words is "thirty billion, one hundred twenty-three million, one hundred twelve thousand, two hundred one".