112212122012020 has 12 divisors (see below), whose sum is σ = 235645456225284. Its totient is φ = 44884848804800.

The previous prime is 112212122012009. The next prime is 112212122012063. The reversal of 112212122012020 is 20210221212211.

It can be written as a sum of positive squares in 2 ways, for example, as 65359657659024 + 46852464352996 = 8084532^2 + 6844886^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805303050281 + ... + 2805303050320.

It is an arithmetic number, because the mean of its divisors is an integer number (19637121352107).

Almost surely, 2^{112212122012020} is an apocalyptic number.

112212122012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212122012020 is an abundant number, since it is smaller than the sum of its proper divisors (123433334213264).

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

112212122012020 is a wasteful number, since it uses less digits than its factorization.

112212122012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610606100610 (or 5610606100608 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112212122012020 its reverse (20210221212211), we get a palindrome (132422343224231).

The spelling of 112212122012020 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred twenty-two million, twelve thousand, twenty".