203312130121 has 8 divisors (see below), whose sum is σ = 203575949280. Its totient is φ = 203048469792.

The previous prime is 203312130061. The next prime is 203312130137. The reversal of 203312130121 is 121031213302.

203312130121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203312130121 - 2¹⁵ = 203312097353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203312130221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637910 + ... + 2713888.

It is an arithmetic number, because the mean of its divisors is an integer number (25446993660).

Almost surely, 2^203312130121 is an apocalyptic number.

It is an amenable number.

203312130121 is a deficient number, since it is larger than the sum of its proper divisors (263819159).

203312130121 is a wasteful number, since it uses less digits than its factorization.

203312130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79415.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 203312130121 its reverse (121031213302), we get a palindrome (324343343423).

The spelling of 203312130121 in words is "two hundred three billion, three hundred twelve million, one hundred thirty thousand, one hundred twenty-one".