212331211232 has 48 divisors (see below), whose sum is σ = 478065968352. Its totient is φ = 90937996800.

The previous prime is 212331211207. The next prime is 212331211243. The reversal of 212331211232 is 232112133212.

It is a junction number, because it is equal to n+sod(n) for n = 212331211198 and 212331211207.

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, 16982 + ... + 651882.

It is an arithmetic number, because the mean of its divisors is an integer number (9959707674).

Almost surely, 2^212331211232 is an apocalyptic number.

It is an amenable number.

212331211232 is an abundant number, since it is smaller than the sum of its proper divisors (265734757120).

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

212331211232 is a wasteful number, since it uses less digits than its factorization.

212331211232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636411 (or 636403 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 212331211232 its reverse (232112133212), we get a palindrome (444443344444).

The spelling of 212331211232 in words is "two hundred twelve billion, three hundred thirty-one million, two hundred eleven thousand, two hundred thirty-two".