220112220021012 has 216 divisors, whose sum is σ = 620282532332736. Its totient is φ = 65751219072000.

The previous prime is 220112220021007. The next prime is 220112220021107. The reversal of 220112220021012 is 210120022211022.

It is a happy number.

220112220021012 is a `hidden beast` number, since 220 + 1 + 1 + 2 + 220 + 0 + 210 + 12 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2173231812 + ... + 2173333092.

Almost surely, 2^{220112220021012} is an apocalyptic number.

220112220021012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220112220021012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310141266166368).

220112220021012 is an abundant number, since it is smaller than the sum of its proper divisors (400170312311724).

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

220112220021012 is a wasteful number, since it uses less digits than its factorization.

220112220021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108411 (or 108395 counting only the distinct ones).

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

Adding to 220112220021012 its reverse (210120022211022), we get a palindrome (430232242232034).

The spelling of 220112220021012 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred twenty million, twenty-one thousand, twelve".