212231213032 has 16 divisors (see below), whose sum is σ = 397945916100. Its totient is φ = 106112302080.

The previous prime is 212231213027. The next prime is 212231213069. The reversal of 212231213032 is 230312132212.

It can be written as a sum of positive squares in 2 ways, for example, as 186370070436 + 25861142596 = 431706^2 + 160814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212231212994 and 212231213012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128569 + ... + 664072.

Almost surely, 2^212231213032 is an apocalyptic number.

It is an amenable number.

212231213032 is a deficient number, since it is larger than the sum of its proper divisors (185714703068).

212231213032 is a wasteful number, since it uses less digits than its factorization.

212231213032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826116 (or 826112 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212231213032 its reverse (230312132212), we get a palindrome (442543345244).

The spelling of 212231213032 in words is "two hundred twelve billion, two hundred thirty-one million, two hundred thirteen thousand, thirty-two".