201001320012003 has 48 divisors (see below), whose sum is σ = 328393478016000. Its totient is φ = 108737125576128.

The previous prime is 201001320011969. The next prime is 201001320012029. The reversal of 201001320012003 is 300210023100102.

It is not a de Polignac number, because 201001320012003 - 2⁶ = 201001320011939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201001320052003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20986468 + ... + 29024721.

It is an arithmetic number, because the mean of its divisors is an integer number (6841530792000).

Almost surely, 2^{201001320012003} is an apocalyptic number.

201001320012003 is a deficient number, since it is larger than the sum of its proper divisors (127392158003997).

201001320012003 is a wasteful number, since it uses less digits than its factorization.

201001320012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50012664 (or 50012657 counting only the distinct ones).

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

Adding to 201001320012003 its reverse (300210023100102), we get a palindrome (501211343112105).

The spelling of 201001320012003 in words is "two hundred one trillion, one billion, three hundred twenty million, twelve thousand, three".