112021212020 has 48 divisors (see below), whose sum is σ = 249148826640. Its totient is φ = 42161455104.

The previous prime is 112021212007. The next prime is 112021212041. The reversal of 112021212020 is 20212120211.

It can be written as a sum of positive squares in 8 ways, for example, as 2626972516 + 109394239504 = 51254^2 + 330748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112021211986 and 112021212004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293932 + ... + 1377788.

It is an arithmetic number, because the mean of its divisors is an integer number (5190600555).

Almost surely, 2^112021212020 is an apocalyptic number.

112021212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021212020 is an abundant number, since it is smaller than the sum of its proper divisors (137127614620).

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

112021212020 is a wasteful number, since it uses less digits than its factorization.

112021212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87812 (or 87810 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112021212020 its reverse (20212120211), we get a palindrome (132233332231).

It can be divided in two parts, 1 and 12021212020, that added together give a palindrome (12021212021).

The spelling of 112021212020 in words is "one hundred twelve billion, twenty-one million, two hundred twelve thousand, twenty".