212030223312 has 80 divisors (see below), whose sum is σ = 562651890752. Its totient is φ = 68753940480.

The previous prime is 212030223263. The next prime is 212030223337. The reversal of 212030223312 is 213322030212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18068487 + ... + 18080217.

Almost surely, 2^212030223312 is an apocalyptic number.

It is an amenable number.

212030223312 is an abundant number, since it is smaller than the sum of its proper divisors (350621667440).

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

212030223312 is a wasteful number, since it uses less digits than its factorization.

212030223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21956 (or 21950 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212030223312 its reverse (213322030212), we get a palindrome (425352253524).

The spelling of 212030223312 in words is "two hundred twelve billion, thirty million, two hundred twenty-three thousand, three hundred twelve".