212223043032 has 128 divisors (see below), whose sum is σ = 712357148160. Its totient is φ = 50882641920.

The previous prime is 212223042989. The next prime is 212223043037. The reversal of 212223043032 is 230340322212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212223042993 and 212223043011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212223043037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4392873 + ... + 4440920.

It is an arithmetic number, because the mean of its divisors is an integer number (5565290220).

Almost surely, 2^212223043032 is an apocalyptic number.

212223043032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212223043032 is an abundant number, since it is smaller than the sum of its proper divisors (500134105128).

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

212223043032 is a wasteful number, since it uses less digits than its factorization.

212223043032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833833 (or 8833829 counting only the distinct ones).

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

Adding to 212223043032 its reverse (230340322212), we get a palindrome (442563365244).

The spelling of 212223043032 in words is "two hundred twelve billion, two hundred twenty-three million, forty-three thousand, thirty-two".