146205112201 has 4 divisors (see below), whose sum is σ = 146704106052. Its totient is φ = 145706118352.

The previous prime is 146205112199. The next prime is 146205112267. The reversal of 146205112201 is 102211502641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102211502641 = 233 ⋅438675977.

It can be written as a sum of positive squares in 2 ways, for example, as 70040151801 + 76164960400 = 264651^2 + 275980^2 .

It is a cyclic number.

It is not a de Polignac number, because 146205112201 - 2¹ = 146205112199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146205112601) 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, 249496486 + ... + 249497071.

It is an arithmetic number, because the mean of its divisors is an integer number (36676026513).

Almost surely, 2^146205112201 is an apocalyptic number.

It is an amenable number.

146205112201 is a deficient number, since it is larger than the sum of its proper divisors (498993851).

146205112201 is an equidigital number, since it uses as much as digits as its factorization.

146205112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498993850.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 146205112201 its reverse (102211502641), we get a palindrome (248416614842).

The spelling of 146205112201 in words is "one hundred forty-six billion, two hundred five million, one hundred twelve thousand, two hundred one".