143215212212 has 24 divisors (see below), whose sum is σ = 264189693600. Its totient is φ = 67743076896.

The previous prime is 143215212181. The next prime is 143215212271. The reversal of 143215212212 is 212212512341.

It is a congruent number.

It is an unprimeable number.

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, 1275038 + ... + 1382805.

It is an arithmetic number, because the mean of its divisors is an integer number (11007903900).

Almost surely, 2^143215212212 is an apocalyptic number.

It is an amenable number.

143215212212 is a deficient number, since it is larger than the sum of its proper divisors (120974481388).

143215212212 is a wasteful number, since it uses less digits than its factorization.

143215212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658575 (or 2658573 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

Adding to 143215212212 its reverse (212212512341), we get a palindrome (355427724553).

The spelling of 143215212212 in words is "one hundred forty-three billion, two hundred fifteen million, two hundred twelve thousand, two hundred twelve".