112000120020 has 36 divisors (see below), whose sum is σ = 339733697940. Its totient is φ = 29866698624.

The previous prime is 112000120003. The next prime is 112000120031. The reversal of 112000120020 is 20021000211.

It can be written as a sum of positive squares in 2 ways, for example, as 79561228356 + 32438891664 = 282066^2 + 180108^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 112000119984 and 112000120011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311111265 + ... + 311111624.

It is an arithmetic number, because the mean of its divisors is an integer number (9437047165).

Almost surely, 2^112000120020 is an apocalyptic number.

112000120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112000120020 is an abundant number, since it is smaller than the sum of its proper divisors (227733577920).

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

112000120020 is a wasteful number, since it uses less digits than its factorization.

112000120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622222904 (or 622222899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 112000120020 its reverse (20021000211), we get a palindrome (132021120231).

The spelling of 112000120020 in words is "one hundred twelve billion, one hundred twenty thousand, twenty".