112200120020 has 48 divisors (see below), whose sum is σ = 249647832000. Its totient is φ = 42211674624.

The previous prime is 112200120017. The next prime is 112200120023. The reversal of 112200120020 is 20021002211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112200120017) and next prime (112200120023).

It is a junction number, because it is equal to n+sod(n) for n = 112200119983 and 112200120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200120023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399587 + ... + 619733.

It is an arithmetic number, because the mean of its divisors is an integer number (5200996500).

Almost surely, 2^112200120020 is an apocalyptic number.

112200120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112200120020 is an abundant number, since it is smaller than the sum of its proper divisors (137447711980).

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

112200120020 is a wasteful number, since it uses less digits than its factorization.

112200120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221672 (or 221670 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 112200120020 its reverse (20021002211), we get a palindrome (132221122231).

The spelling of 112200120020 in words is "one hundred twelve billion, two hundred million, one hundred twenty thousand, twenty".