30201121233 has 12 divisors (see below), whose sum is σ = 44687838468. Its totient is φ = 19643005440.

The previous prime is 30201121229. The next prime is 30201121259. The reversal of 30201121233 is 33212110203.

It can be written as a sum of positive squares in 2 ways, for example, as 3307745169 + 26893376064 = 57513^2 + 163992^2 .

It is not a de Polignac number, because 30201121233 - 2² = 30201121229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30201121033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40922560 + ... + 40923297.

It is an arithmetic number, because the mean of its divisors is an integer number (3723986539).

Almost surely, 2^30201121233 is an apocalyptic number.

It is an amenable number.

30201121233 is a deficient number, since it is larger than the sum of its proper divisors (14486717235).

30201121233 is a wasteful number, since it uses less digits than its factorization.

30201121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81845904 (or 81845901 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30201121233 its reverse (33212110203), we get a palindrome (63413231436).

The spelling of 30201121233 in words is "thirty billion, two hundred one million, one hundred twenty-one thousand, two hundred thirty-three".