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2122012120 = 23553050303
BaseRepresentation
bin111111001111011…
…0101010111011000
312110212221101101111
41332132311113120
513321213341440
6550322030104
7103404543154
oct17636652730
95425841344
102122012120
11999903128
124b27a8334
1327a827097
14161b7a064
15c64644ea
hex7e7b55d8

2122012120 has 16 divisors (see below), whose sum is σ = 4774527360. Its totient is φ = 848804832.

The previous prime is 2122012111. The next prime is 2122012133. The reversal of 2122012120 is 212102212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122012120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26525112 + ... + 26525191.

It is an arithmetic number, because the mean of its divisors is an integer number (298407960).

Almost surely, 22122012120 is an apocalyptic number.

2122012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122012120 is an abundant number, since it is smaller than the sum of its proper divisors (2652515240).

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

2122012120 is a wasteful number, since it uses less digits than its factorization.

2122012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53050314 (or 53050310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2122012120 is about 46065.3027776872. The cubic root of 2122012120 is about 1285.0379494917.

Adding to 2122012120 its reverse (212102212), we get a palindrome (2334114332).

The spelling of 2122012120 in words is "two billion, one hundred twenty-two million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 53050303 106100606 212201212 265251515 424402424 530503030 1061006060 2122012120