201212315143 has 8 divisors (see below), whose sum is σ = 230741769888. Its totient is φ = 171879069984.

The previous prime is 201212315119. The next prime is 201212315153. The reversal of 201212315143 is 341513212102.

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 201212315143 - 2¹³ = 201212306951 is a prime.

It is a super-2 number, since 2×201212315143² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212315153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49050196 + ... + 49054297.

It is an arithmetic number, because the mean of its divisors is an integer number (28842721236).

Almost surely, 2^201212315143 is an apocalyptic number.

201212315143 is a deficient number, since it is larger than the sum of its proper divisors (29529454745).

201212315143 is an equidigital number, since it uses as much as digits as its factorization.

201212315143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98104793.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 201212315143 its reverse (341513212102), we get a palindrome (542725527245).

The spelling of 201212315143 in words is "two hundred one billion, two hundred twelve million, three hundred fifteen thousand, one hundred forty-three".