143213212122 has 32 divisors (see below), whose sum is σ = 286960605120. Its totient is φ = 47648789760.

The previous prime is 143213212057. The next prime is 143213212133. The reversal of 143213212122 is 221212312341.

It is a junction number, because it is equal to n+sod(n) for n = 143213212092 and 143213212101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7830004 + ... + 7848272.

It is an arithmetic number, because the mean of its divisors is an integer number (8967518910).

Almost surely, 2^143213212122 is an apocalyptic number.

143213212122 is an abundant number, since it is smaller than the sum of its proper divisors (143747392998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143213212122 is a wasteful number, since it uses less digits than its factorization.

143213212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20638.

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

Adding to 143213212122 its reverse (221212312341), we get a palindrome (364425524463).

The spelling of 143213212122 in words is "one hundred forty-three billion, two hundred thirteen million, two hundred twelve thousand, one hundred twenty-two".