131202222412201 has 4 divisors (see below), whose sum is σ = 138920000201172. Its totient is φ = 123484444623232.

The previous prime is 131202222412189. The next prime is 131202222412237. The reversal of 131202222412201 is 102214222202131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123435410802201 + 7766811610000 = 11110149^2 + 2786900^2 .

It is a cyclic number.

It is not a de Polignac number, because 131202222412201 - 2¹³ = 131202222404009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131202222412241) 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, 3858888894460 + ... + 3858888894493.

It is an arithmetic number, because the mean of its divisors is an integer number (34730000050293).

Almost surely, 2^{131202222412201} is an apocalyptic number.

It is an amenable number.

131202222412201 is a deficient number, since it is larger than the sum of its proper divisors (7717777788971).

131202222412201 is an equidigital number, since it uses as much as digits as its factorization.

131202222412201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717777788970.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 131202222412201 its reverse (102214222202131), we get a palindrome (233416444614332).

The spelling of 131202222412201 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twenty-two million, four hundred twelve thousand, two hundred one".