220120212112 has 10 divisors (see below), whose sum is σ = 426482910998. Its totient is φ = 110060106048.

The previous prime is 220120212071. The next prime is 220120212131. The reversal of 220120212112 is 211212021022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 207950592256 + 12169619856 = 456016^2 + 110316^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 13757513257 = 220120212112 / (2 + 2 + 0 + 1 + 2 + 0 + 2 + 1 + 2 + 1 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6878756613 + ... + 6878756644.

Almost surely, 2^220120212112 is an apocalyptic number.

It is an amenable number.

220120212112 is a deficient number, since it is larger than the sum of its proper divisors (206362698886).

220120212112 is a wasteful number, since it uses less digits than its factorization.

220120212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13757513265 (or 13757513259 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220120212112 its reverse (211212021022), we get a palindrome (431332233134).

The spelling of 220120212112 in words is "two hundred twenty billion, one hundred twenty million, two hundred twelve thousand, one hundred twelve".