143212221134 has 16 divisors (see below), whose sum is σ = 228456719568. Its totient is φ = 67097092992.

The previous prime is 143212221109. The next prime is 143212221143. The reversal of 143212221134 is 431122212341.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9270089 + ... + 9285524.

It is an arithmetic number, because the mean of its divisors is an integer number (14278544973).

Almost surely, 2^143212221134 is an apocalyptic number.

143212221134 is a deficient number, since it is larger than the sum of its proper divisors (85244498434).

143212221134 is a wasteful number, since it uses less digits than its factorization.

143212221134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18555859.

The product of its digits is 2304, while the sum is 26.

Adding to 143212221134 its reverse (431122212341), we get a palindrome (574334433475).

The spelling of 143212221134 in words is "one hundred forty-three billion, two hundred twelve million, two hundred twenty-one thousand, one hundred thirty-four".