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112213031112 = 2332713171039781
BaseRepresentation
bin110100010000001101…
…0101111100011001000
3101201122022121121100100
41220200122233203020
53314303013443422
6123314442405400
711051513012130
oct1504032574310
9351568547310
10112213031112
1143653370146
12198b7b00860
13a773b41980
145607093ac0
152dbb53a7ac
hex1a206af8c8

112213031112 has 384 divisors, whose sum is σ = 399931983360. Its totient is φ = 27580538880.

The previous prime is 112213031101. The next prime is 112213031141. The reversal of 112213031112 is 211130312211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11467662 + ... + 11477442.

It is an arithmetic number, because the mean of its divisors is an integer number (1041489540).

Almost surely, 2112213031112 is an apocalyptic number.

112213031112 is a gapful number since it is divisible by the number (12) 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 112213031112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199965991680).

112213031112 is an abundant number, since it is smaller than the sum of its proper divisors (287718952248).

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

112213031112 is a wasteful number, since it uses less digits than its factorization.

112213031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933 (or 9926 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 112213031112 its reverse (211130312211), we get a palindrome (323343343323).

The spelling of 112213031112 in words is "one hundred twelve billion, two hundred thirteen million, thirty-one thousand, one hundred twelve".