2021201212323 has 8 divisors (see below), whose sum is σ = 2721099367168. Its totient is φ = 1334385266184.

The previous prime is 2021201212321. The next prime is 2021201212333. The reversal of 2021201212323 is 3232121021202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021201212323 - 2¹ = 2021201212321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021201212323.

It is not an unprimeable number, because it can be changed into a prime (2021201212321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270551815 + ... + 3270552432.

It is an arithmetic number, because the mean of its divisors is an integer number (340137420896).

Almost surely, 2^{2021201212323} is an apocalyptic number.

2021201212323 is a deficient number, since it is larger than the sum of its proper divisors (699898154845).

2021201212323 is a wasteful number, since it uses less digits than its factorization.

2021201212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541104353.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2021201212323 its reverse (3232121021202), we get a palindrome (5253322233525).

The spelling of 2021201212323 in words is "two trillion, twenty-one billion, two hundred one million, two hundred twelve thousand, three hundred twenty-three".