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2112120122 = 27475935413
BaseRepresentation
bin111110111100100…
…0110010100111010
312110012022211010012
41331321012110322
513311200320442
6545330021522
7103224503420
oct17571062472
95405284105
102112120122
11994267122
124ab4178a2
13278772728
14160723110
15c565d582
hex7de4653a

2112120122 has 32 divisors (see below), whose sum is σ = 3704735232. Its totient is φ = 884277504.

The previous prime is 2112120097. The next prime is 2112120133. The reversal of 2112120122 is 2210212112.

It is a super-2 number, since 2×21121201222 = 8922102819514589768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2112120097 and 2112120106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387488 + ... + 392900.

It is an arithmetic number, because the mean of its divisors is an integer number (115772976).

Almost surely, 22112120122 is an apocalyptic number.

2112120122 is a deficient number, since it is larger than the sum of its proper divisors (1592615110).

2112120122 is a wasteful number, since it uses less digits than its factorization.

2112120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2112120122 is about 45957.8080634836. The cubic root of 2112120122 is about 1283.0380557442.

Adding to 2112120122 its reverse (2210212112), we get a palindrome (4322332234).

The spelling of 2112120122 in words is "two billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 47 94 329 593 658 1186 4151 5413 8302 10826 27871 37891 55742 75782 195097 254411 390194 508822 1780877 3209909 3561754 6419818 22469363 44938726 150865723 301731446 1056060061 2112120122