30230203213121 has 4 divisors (see below), whose sum is σ = 30232169676372. Its totient is φ = 30228236749872.

The previous prime is 30230203213109. The next prime is 30230203213169. The reversal of 30230203213121 is 12131230203203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 607339662400 + 29622863550721 = 779320^2 + 5442689^2 .

It is a cyclic number.

It is not a de Polignac number, because 30230203213121 - 2²⁶ = 30230136104257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30230203213421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983208566 + ... + 983239311.

It is an arithmetic number, because the mean of its divisors is an integer number (7558042419093).

Almost surely, 2^{30230203213121} is an apocalyptic number.

It is an amenable number.

30230203213121 is a deficient number, since it is larger than the sum of its proper divisors (1966463251).

30230203213121 is a wasteful number, since it uses less digits than its factorization.

30230203213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966463250.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30230203213121 its reverse (12131230203203), we get a palindrome (42361433416324).

The spelling of 30230203213121 in words is "thirty trillion, two hundred thirty billion, two hundred three million, two hundred thirteen thousand, one hundred twenty-one".