220012323212 has 12 divisors (see below), whose sum is σ = 420023526216. Its totient is φ = 100005601440.

The previous prime is 220012323151. The next prime is 220012323269. The reversal of 220012323212 is 212323210022.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2500139993 + ... + 2500140080.

It is an arithmetic number, because the mean of its divisors is an integer number (35001960518).

Almost surely, 2^220012323212 is an apocalyptic number.

220012323212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220012323212 is a deficient number, since it is larger than the sum of its proper divisors (200011203004).

220012323212 is a wasteful number, since it uses less digits than its factorization.

220012323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000280088 (or 5000280086 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220012323212 its reverse (212323210022), we get a palindrome (432335533234).

The spelling of 220012323212 in words is "two hundred twenty billion, twelve million, three hundred twenty-three thousand, two hundred twelve".