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12200023112 = 231525002889
BaseRepresentation
bin10110101110010110…
…11001010001001000
31011111020111101110212
423113023121101020
5144441201214422
65334332500252
7611220325334
oct132713312110
934436441425
1012200023112
1151a065aa32
12244591a688
1311c57294b4
1483a4087c4
154b60d19e2
hex2d72d9448

12200023112 has 8 divisors (see below), whose sum is σ = 22875043350. Its totient is φ = 6100011552.

The previous prime is 12200023111. The next prime is 12200023159. The reversal of 12200023112 is 21132000221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8780814436 + 3419208676 = 93706^2 + 58474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12200023111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762501437 + ... + 762501452.

Almost surely, 212200023112 is an apocalyptic number.

It is an amenable number.

12200023112 is a deficient number, since it is larger than the sum of its proper divisors (10675020238).

12200023112 is a wasteful number, since it uses less digits than its factorization.

12200023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525002895 (or 1525002891 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12200023112 its reverse (21132000221), we get a palindrome (33332023333).

The spelling of 12200023112 in words is "twelve billion, two hundred million, twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 1525002889 3050005778 6100011556 12200023112