212230243132 has 12 divisors (see below), whose sum is σ = 371451572856. Its totient is φ = 106101222320.

The previous prime is 212230243117. The next prime is 212230243139. The reversal of 212230243132 is 231342032212.

It is a junction number, because it is equal to n+sod(n) for n = 212230243097 and 212230243106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230243139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3440419 + ... + 3501562.

It is an arithmetic number, because the mean of its divisors is an integer number (30954297738).

Almost surely, 2^212230243132 is an apocalyptic number.

It is an amenable number.

212230243132 is a deficient number, since it is larger than the sum of its proper divisors (159221329724).

212230243132 is a wasteful number, since it uses less digits than its factorization.

212230243132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949628 (or 6949626 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 212230243132 its reverse (231342032212), we get a palindrome (443572275344).

The spelling of 212230243132 in words is "two hundred twelve billion, two hundred thirty million, two hundred forty-three thousand, one hundred thirty-two".