203140120009 has 16 divisors (see below), whose sum is σ = 208686227904. Its totient is φ = 197659425600.

The previous prime is 203140120003. The next prime is 203140120033. The reversal of 203140120009 is 900021041302.

203140120009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 203140120009 - 2²³ = 203131731401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203140120003) 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 15 ways as a sum of consecutive naturals, for example, 11954299 + ... + 11971279.

It is an arithmetic number, because the mean of its divisors is an integer number (13042889244).

Almost surely, 2^203140120009 is an apocalyptic number.

It is an amenable number.

203140120009 is a deficient number, since it is larger than the sum of its proper divisors (5546107895).

203140120009 is a wasteful number, since it uses less digits than its factorization.

203140120009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 203140120009 in words is "two hundred three billion, one hundred forty million, one hundred twenty thousand, nine".