220011212112 has 40 divisors (see below), whose sum is σ = 583723445856. Its totient is φ = 71354987136.

The previous prime is 220011212111. The next prime is 220011212129. The reversal of 220011212112 is 211212110022.

It is a super-3 number, since 3×220011212112³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220011212091 and 220011212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011212111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61938318 + ... + 61941869.

Almost surely, 2^220011212112 is an apocalyptic number.

It is an amenable number.

220011212112 is an abundant number, since it is smaller than the sum of its proper divisors (363712233744).

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

220011212112 is a wasteful number, since it uses less digits than its factorization.

220011212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123880235 (or 123880229 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220011212112 its reverse (211212110022), we get a palindrome (431223322134).

The spelling of 220011212112 in words is "two hundred twenty billion, eleven million, two hundred twelve thousand, one hundred twelve".