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12200023210 = 2543231112277
BaseRepresentation
bin10110101110010110…
…11001010010101010
31011111020111101121111
423113023121102222
5144441201220320
65334332500534
7611220325534
oct132713312252
934436441544
1012200023210
1151a0660011
12244591a74a
1311c572955b
1483a408854
154b60d1a5a
hex2d72d94aa

12200023210 has 32 divisors (see below), whose sum is σ = 22482294912. Its totient is φ = 4764070080.

The previous prime is 12200023169. The next prime is 12200023211. The reversal of 12200023210 is 1232000221.

It is not an unprimeable number, because it can be changed into a prime (12200023211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987592 + ... + 999868.

It is an arithmetic number, because the mean of its divisors is an integer number (702571716).

Almost surely, 212200023210 is an apocalyptic number.

12200023210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12200023210 is a deficient number, since it is larger than the sum of its proper divisors (10282271702).

12200023210 is a wasteful number, since it uses less digits than its factorization.

12200023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14638.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12200023210 its reverse (1232000221), we get a palindrome (13432023431).

The spelling of 12200023210 in words is "twelve billion, two hundred million, twenty-three thousand, two hundred ten".

Divisors: 1 2 5 10 43 86 215 430 2311 4622 11555 12277 23110 24554 61385 99373 122770 198746 496865 527911 993730 1055822 2639555 5279110 28372147 56744294 141860735 283721470 1220002321 2440004642 6100011605 12200023210