212220220212120 has 32 divisors (see below), whose sum is σ = 636660660636720. Its totient is φ = 56592058723200.

The previous prime is 212220220212067. The next prime is 212220220212151. The reversal of 212220220212120 is 21212022022212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884250917431 + ... + 884250917670.

Almost surely, 2^{212220220212120} is an apocalyptic number.

212220220212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212220220212120 is an abundant number, since it is smaller than the sum of its proper divisors (424440440424600).

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

212220220212120 is a wasteful number, since it uses less digits than its factorization.

212220220212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768501835115 (or 1768501835111 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212220220212120 its reverse (21212022022212), we get a palindrome (233432242234332).

The spelling of 212220220212120 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty".