210001312012003 has 4 divisors (see below), whose sum is σ = 210001533999568. Its totient is φ = 210001090024440.

The previous prime is 210001312011937. The next prime is 210001312012013. The reversal of 210001312012003 is 300210213100012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210001312012003 is a prime.

It is a super-4 number, since 4×210001312012003⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210001312012013) 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, 109568676 + ... + 111468817.

It is an arithmetic number, because the mean of its divisors is an integer number (52500383499892).

Almost surely, 2^{210001312012003} is an apocalyptic number.

210001312012003 is a deficient number, since it is larger than the sum of its proper divisors (221987565).

210001312012003 is an equidigital number, since it uses as much as digits as its factorization.

210001312012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221987564.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210001312012003 its reverse (300210213100012), we get a palindrome (510211525112015).

The spelling of 210001312012003 in words is "two hundred ten trillion, one billion, three hundred twelve million, twelve thousand, three".