203312130122 has 32 divisors (see below), whose sum is σ = 330855903504. Its totient is φ = 93322240000.

The previous prime is 203312130061. The next prime is 203312130137. The reversal of 203312130122 is 221031213302.

203312130122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 104226311281 + 99085818841 = 322841^2 + 314779^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203312130094 and 203312130103.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7655138 + ... + 7681650.

Almost surely, 2^203312130122 is an apocalyptic number.

203312130122 is a deficient number, since it is larger than the sum of its proper divisors (127543773382).

203312130122 is a wasteful number, since it uses less digits than its factorization.

203312130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32074.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203312130122 its reverse (221031213302), we get a palindrome (424343343424).

The spelling of 203312130122 in words is "two hundred three billion, three hundred twelve million, one hundred thirty thousand, one hundred twenty-two".