212030220224 has 28 divisors (see below), whose sum is σ = 420847778064. Its totient is φ = 105989835264.

The previous prime is 212030220209. The next prime is 212030220247. The reversal of 212030220224 is 422022030212.

It is a super-2 number, since 2×212030220224² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212030220196 and 212030220205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122924 + ... + 662699.

It is an arithmetic number, because the mean of its divisors is an integer number (15030277788).

Almost surely, 2^212030220224 is an apocalyptic number.

It is an amenable number.

212030220224 is a deficient number, since it is larger than the sum of its proper divisors (208817557840).

212030220224 is an equidigital number, since it uses as much as digits as its factorization.

212030220224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789852 (or 789842 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 212030220224 its reverse (422022030212), we get a palindrome (634052250436).

The spelling of 212030220224 in words is "two hundred twelve billion, thirty million, two hundred twenty thousand, two hundred twenty-four".