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2112002012 = 222771906139
BaseRepresentation
bin111110111100010…
…1001011111011100
312110012002211002202
41331320221133130
513311133031022
6545323311032
7103223502161
oct17570513734
95405084082
102112002012
1199419640a
124ab37b478
13278730a43
141606d2068
15c5638592
hex7de297dc

2112002012 has 12 divisors (see below), whose sum is σ = 3709348440. Its totient is φ = 1052188176.

The previous prime is 2112001993. The next prime is 2112002017. The reversal of 2112002012 is 2102002112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2112001984 and 2112002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112002017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951962 + ... + 954177.

It is an arithmetic number, because the mean of its divisors is an integer number (309112370).

Almost surely, 22112002012 is an apocalyptic number.

It is an amenable number.

2112002012 is a deficient number, since it is larger than the sum of its proper divisors (1597346428).

2112002012 is a wasteful number, since it uses less digits than its factorization.

2112002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906420 (or 1906418 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2112002012 is about 45956.5230625643. The cubic root of 2112002012 is about 1283.0141394199.

Adding to 2112002012 its reverse (2102002112), we get a palindrome (4214004124).

The spelling of 2112002012 in words is "two billion, one hundred twelve million, two thousand, twelve".

Divisors: 1 2 4 277 554 1108 1906139 3812278 7624556 528000503 1056001006 2112002012