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112213013220 = 2232571131261167
BaseRepresentation
bin110100010000001101…
…0101011001011100100
3101201122022120200210200
41220200122223023210
53314303012410340
6123314442150500
711051512606020
oct1504032531344
9351568520720
10112213013220
1143653358760
12198b7ab2430
13a773b36799
14560708b380
152dbb535330
hex1a206ab2e4

112213013220 has 288 divisors, whose sum is σ = 438060220416. Its totient is φ = 22564742400.

The previous prime is 112213013183. The next prime is 112213013239. The reversal of 112213013220 is 22310312211.

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

It is a junction number, because it is equal to n+sod(n) for n = 112213013193 and 112213013202.

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, 299077 + ... + 560243.

It is an arithmetic number, because the mean of its divisors is an integer number (1521042432).

Almost surely, 2112213013220 is an apocalyptic number.

112213013220 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 112213013220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219030110208).

112213013220 is an abundant number, since it is smaller than the sum of its proper divisors (325847207196).

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

112213013220 is a wasteful number, since it uses less digits than its factorization.

112213013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261231 (or 261226 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112213013220 its reverse (22310312211), we get a palindrome (134523325431).

The spelling of 112213013220 in words is "one hundred twelve billion, two hundred thirteen million, thirteen thousand, two hundred twenty".