201012312003 has 4 divisors (see below), whose sum is σ = 268016416008. Its totient is φ = 134008208000.

The previous prime is 201012311989. The next prime is 201012312019. The reversal of 201012312003 is 300213210102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201012312003 - 2⁵ = 201012311971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201012312703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33502051998 + ... + 33502052003.

It is an arithmetic number, because the mean of its divisors is an integer number (67004104002).

Almost surely, 2^201012312003 is an apocalyptic number.

201012312003 is a deficient number, since it is larger than the sum of its proper divisors (67004104005).

201012312003 is an equidigital number, since it uses as much as digits as its factorization.

201012312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67004104004.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 201012312003 its reverse (300213210102), we get a palindrome (501225522105).

The spelling of 201012312003 in words is "two hundred one billion, twelve million, three hundred twelve thousand, three".