201143134403252 has 24 divisors (see below), whose sum is σ = 360096079787136. Its totient is φ = 98265757113728.

The previous prime is 201143134403251. The next prime is 201143134403417. The reversal of 201143134403252 is 252304431341102.

It is a super-2 number, since 2×201143134403252² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201143134403251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902005118 + ... + 902228085.

It is an arithmetic number, because the mean of its divisors is an integer number (15004003324464).

Almost surely, 2^{201143134403252} is an apocalyptic number.

It is an amenable number.

201143134403252 is a deficient number, since it is larger than the sum of its proper divisors (158952945383884).

201143134403252 is a wasteful number, since it uses less digits than its factorization.

201143134403252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804233847 (or 1804233845 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 201143134403252 its reverse (252304431341102), we get a palindrome (453447565744354).

The spelling of 201143134403252 in words is "two hundred one trillion, one hundred forty-three billion, one hundred thirty-four million, four hundred three thousand, two hundred fifty-two".