205212441503143 has 8 divisors (see below), whose sum is σ = 205846127456256. Its totient is φ = 204579651221400.

The previous prime is 205212441503129. The next prime is 205212441503159. The reversal of 205212441503143 is 341305144212502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205212441503143 - 2⁹ = 205212441502631 is a prime.

It is a super-2 number, since 2×205212441503143² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205212441503243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223458903 + ... + 224375368.

It is an arithmetic number, because the mean of its divisors is an integer number (25730765932032).

Almost surely, 2^{205212441503143} is an apocalyptic number.

205212441503143 is a deficient number, since it is larger than the sum of its proper divisors (633685953113).

205212441503143 is an equidigital number, since it uses as much as digits as its factorization.

205212441503143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447835685.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 205212441503143 its reverse (341305144212502), we get a palindrome (546517585715645).

The spelling of 205212441503143 in words is "two hundred five trillion, two hundred twelve billion, four hundred forty-one million, five hundred three thousand, one hundred forty-three".