220120212010212 has 144 divisors (see below), whose sum is σ = 586355869811712. Its totient is φ = 69491358129600.

The previous prime is 220120212010183. The next prime is 220120212010229. The reversal of 220120212010212 is 212010212021022.

It is a happy number.

220120212010212 is a `hidden beast` number, since 220 + 1 + 20 + 212 + 0 + 1 + 0 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35516223 + ... + 41250969.

Almost surely, 2^{220120212010212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220120212010212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293177934905856).

220120212010212 is an abundant number, since it is smaller than the sum of its proper divisors (366235657801500).

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

220120212010212 is a wasteful number, since it uses less digits than its factorization.

220120212010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735238 (or 5735233 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220120212010212 its reverse (212010212021022), we get a palindrome (432130424031234).

The spelling of 220120212010212 in words is "two hundred twenty trillion, one hundred twenty billion, two hundred twelve million, ten thousand, two hundred twelve".