202144231201 has 12 divisors (see below), whose sum is σ = 222283843236. Its totient is φ = 183691185920.

The previous prime is 202144231171. The next prime is 202144231291. The reversal of 202144231201 is 102132441202.

It can be written as a sum of positive squares in 2 ways, for example, as 170074584801 + 32069646400 = 412401^2 + 179080^2 .

It is not a de Polignac number, because 202144231201 - 2⁷ = 202144231073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202144231291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53140 + ... + 638053.

It is an arithmetic number, because the mean of its divisors is an integer number (18523653603).

Almost surely, 2^202144231201 is an apocalyptic number.

It is an amenable number.

202144231201 is a deficient number, since it is larger than the sum of its proper divisors (20139612035).

202144231201 is a wasteful number, since it uses less digits than its factorization.

202144231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693632 (or 693621 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 202144231201 its reverse (102132441202), we get a palindrome (304276672403).

The spelling of 202144231201 in words is "two hundred two billion, one hundred forty-four million, two hundred thirty-one thousand, two hundred one".