212320030220 has 24 divisors (see below), whose sum is σ = 453429219600. Its totient is φ = 83488553792.

The previous prime is 212320030211. The next prime is 212320030229. The reversal of 212320030220 is 22030023212.

It is an interprime number because it is at equal distance from previous prime (212320030211) and next prime (212320030229).

It is not an unprimeable number, because it can be changed into a prime (212320030229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89964935 + ... + 89967294.

It is an arithmetic number, because the mean of its divisors is an integer number (18892884150).

Almost surely, 2^212320030220 is an apocalyptic number.

212320030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212320030220 is an abundant number, since it is smaller than the sum of its proper divisors (241109189380).

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

212320030220 is a wasteful number, since it uses less digits than its factorization.

212320030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179932297 (or 179932295 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 212320030220 its reverse (22030023212), we get a palindrome (234350053432).

The spelling of 212320030220 in words is "two hundred twelve billion, three hundred twenty million, thirty thousand, two hundred twenty".