112012212020020 has 192 divisors, whose sum is σ = 264856468101120. Its totient is φ = 39522031718400.

The previous prime is 112012212020003. The next prime is 112012212020087. The reversal of 112012212020020 is 20020212210211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112012212019976 and 112012212020003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155051769 + ... + 155772511.

It is an arithmetic number, because the mean of its divisors is an integer number (1379460771360).

Almost surely, 2^{112012212020020} is an apocalyptic number.

112012212020020 is a gapful number since it is divisible by the number (10) 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 112012212020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132428234050560).

112012212020020 is an abundant number, since it is smaller than the sum of its proper divisors (152844256081100).

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

112012212020020 is a wasteful number, since it uses less digits than its factorization.

112012212020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721106 (or 721104 counting only the distinct ones).

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

Adding to 112012212020020 its reverse (20020212210211), we get a palindrome (132032424230231).

The spelling of 112012212020020 in words is "one hundred twelve trillion, twelve billion, two hundred twelve million, twenty thousand, twenty".