212322320232 has 32 divisors (see below), whose sum is σ = 579060874080. Its totient is φ = 64340096960.

The previous prime is 212322320209. The next prime is 212322320263. The reversal of 212322320232 is 232023223212.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 402125343 + ... + 402125870.

It is an arithmetic number, because the mean of its divisors is an integer number (18095652315).

Almost surely, 2^212322320232 is an apocalyptic number.

212322320232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212322320232 is an abundant number, since it is smaller than the sum of its proper divisors (366738553848).

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

212322320232 is a wasteful number, since it uses less digits than its factorization.

212322320232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804251233 (or 804251229 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 212322320232 its reverse (232023223212), we get a palindrome (444345543444).

The spelling of 212322320232 in words is "two hundred twelve billion, three hundred twenty-two million, three hundred twenty thousand, two hundred thirty-two".