143222121213 has 24 divisors (see below), whose sum is σ = 193835859840. Its totient is φ = 94054308480.

The previous prime is 143222121173. The next prime is 143222121223. The reversal of 143222121213 is 312121222341.

It is not a de Polignac number, because 143222121213 - 2¹⁰ = 143222120189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143222121223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20483148 + ... + 20490138.

It is an arithmetic number, because the mean of its divisors is an integer number (8076494160).

Almost surely, 2^143222121213 is an apocalyptic number.

It is an amenable number.

143222121213 is a deficient number, since it is larger than the sum of its proper divisors (50613738627).

143222121213 is an frugal number, since it uses more digits than its factorization.

143222121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637 (or 7360 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 143222121213 its reverse (312121222341), we get a palindrome (455343343554).

The spelling of 143222121213 in words is "one hundred forty-three billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred thirteen".