203012103123321 has 8 divisors (see below), whose sum is σ = 271805969327904. Its totient is φ = 134779819500480.

The previous prime is 203012103123293. The next prime is 203012103123329. The reversal of 203012103123321 is 123321301210302.

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

It is not a de Polignac number, because 203012103123321 - 2¹⁵ = 203012103090553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203012103123291 and 203012103123300.

It is not an unprimeable number, because it can be changed into a prime (203012103123329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140395644591 + ... + 140395646036.

It is an arithmetic number, because the mean of its divisors is an integer number (33975746165988).

Almost surely, 2^{203012103123321} is an apocalyptic number.

It is an amenable number.

203012103123321 is a deficient number, since it is larger than the sum of its proper divisors (68793866204583).

203012103123321 is a wasteful number, since it uses less digits than its factorization.

203012103123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280791290871.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 203012103123321 its reverse (123321301210302), we get a palindrome (326333404333623).

The spelling of 203012103123321 in words is "two hundred three trillion, twelve billion, one hundred three million, one hundred twenty-three thousand, three hundred twenty-one".