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112112200020 = 223537591814729
BaseRepresentation
bin110100001101001101…
…0000110100101010100
3101201101021212212002110
41220122122012211110
53314101210400040
6123300441311020
711046146656002
oct1503232064524
9351337785073
10112112200020
1143601461267
121988a195470
13a758c99ac2
1455d7927a72
152db276e980
hex1a1a686954

112112200020 has 192 divisors, whose sum is σ = 329743814400. Its totient is φ = 28431544320.

The previous prime is 112112200009. The next prime is 112112200021. The reversal of 112112200020 is 20002211211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112112199969 and 112112200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112200021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23705016 + ... + 23709744.

It is an arithmetic number, because the mean of its divisors is an integer number (1717415700).

Almost surely, 2112112200020 is an apocalyptic number.

112112200020 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 112112200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164871907200).

112112200020 is an abundant number, since it is smaller than the sum of its proper divisors (217631614380).

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

112112200020 is a wasteful number, since it uses less digits than its factorization.

112112200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018 (or 5016 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112112200020 its reverse (20002211211), we get a palindrome (132114411231).

The spelling of 112112200020 in words is "one hundred twelve billion, one hundred twelve million, two hundred thousand, twenty".