30121200303 has 16 divisors (see below), whose sum is σ = 40430607360. Its totient is φ = 19946380896.

The previous prime is 30121200293. The next prime is 30121200311. The reversal of 30121200303 is 30300212103.

It is not a de Polignac number, because 30121200303 - 2⁸ = 30121200047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121204303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746838 + ... + 1763996.

It is an arithmetic number, because the mean of its divisors is an integer number (2526912960).

Almost surely, 2^30121200303 is an apocalyptic number.

30121200303 is a deficient number, since it is larger than the sum of its proper divisors (10309407057).

30121200303 is a wasteful number, since it uses less digits than its factorization.

30121200303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21046.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30121200303 its reverse (30300212103), we get a palindrome (60421412406).

The spelling of 30121200303 in words is "thirty billion, one hundred twenty-one million, two hundred thousand, three hundred three".