210012011009 has 4 divisors (see below), whose sum is σ = 213146518704. Its totient is φ = 206877503316.

The previous prime is 210012010993. The next prime is 210012011017. The reversal of 210012011009 is 900110210012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210012011009 - 2⁴ = 210012010993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012011059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567253747 + ... + 1567253880.

It is an arithmetic number, because the mean of its divisors is an integer number (53286629676).

Almost surely, 2^210012011009 is an apocalyptic number.

It is an amenable number.

210012011009 is a deficient number, since it is larger than the sum of its proper divisors (3134507695).

210012011009 is an equidigital number, since it uses as much as digits as its factorization.

210012011009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134507694.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 210012011009 in words is "two hundred ten billion, twelve million, eleven thousand, nine".