82202201201 has 4 divisors (see below), whose sum is σ = 82205052912. Its totient is φ = 82199349492.

The previous prime is 82202201177. The next prime is 82202201203. The reversal of 82202201201 is 10210220228.

It is a happy number.

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 82202201201 - 2²⁶ = 82135092337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82202201203) 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, 1382171 + ... + 1440416.

It is an arithmetic number, because the mean of its divisors is an integer number (20551263228).

Almost surely, 2^82202201201 is an apocalyptic number.

It is an amenable number.

82202201201 is a deficient number, since it is larger than the sum of its proper divisors (2851711).

82202201201 is a wasteful number, since it uses less digits than its factorization.

82202201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851710.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 82202201201 its reverse (10210220228), we get a palindrome (92412421429).

The spelling of 82202201201 in words is "eighty-two billion, two hundred two million, two hundred one thousand, two hundred one".