143222121212 has 12 divisors (see below), whose sum is σ = 250781213760. Its totient is φ = 71570345856.

The previous prime is 143222121173. The next prime is 143222121223. The reversal of 143222121212 is 212121222341.

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 3 ways as a sum of consecutive naturals, for example, 10170773 + ... + 10184844.

It is an arithmetic number, because the mean of its divisors is an integer number (20898434480).

Almost surely, 2^143222121212 is an apocalyptic number.

It is an amenable number.

143222121212 is a deficient number, since it is larger than the sum of its proper divisors (107559092548).

143222121212 is a wasteful number, since it uses less digits than its factorization.

143222121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20357380 (or 20357378 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

Adding to 143222121212 its reverse (212121222341), we get a palindrome (355343343553).

The spelling of 143222121212 in words is "one hundred forty-three billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred twelve".