202201201212009 has 16 divisors (see below), whose sum is σ = 272254070552640. Its totient is φ = 133479069684480.

The previous prime is 202201201211939. The next prime is 202201201212041. The reversal of 202201201212009 is 900212102102202.

It is not a de Polignac number, because 202201201212009 - 2⁸ = 202201201211753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202201201212009.

It is not an unprimeable number, because it can be changed into a prime (202201201212809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562738204 + ... + 563097405.

It is an arithmetic number, because the mean of its divisors is an integer number (17015879409540).

Almost surely, 2^{202201201212009} is an apocalyptic number.

It is an amenable number.

202201201212009 is a deficient number, since it is larger than the sum of its proper divisors (70052869340631).

202201201212009 is a wasteful number, since it uses less digits than its factorization.

202201201212009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125836200.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 202201201212009 in words is "two hundred two trillion, two hundred one billion, two hundred one million, two hundred twelve thousand, nine".