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12250331202112 = 26238322235871
BaseRepresentation
bin1011001001000100000010…
…1000111100001001000000
31121101010020122101202210121
42302101000220330021000
53101202134241431422
642015420252310024
72403025425065053
oct262210050741100
947333218352717
1012250331202112
1139a3377664103
12145a243172314
136ab280282753
14304cc23a6a9a
151639d4d5d8c7
hexb2440a3c240

12250331202112 has 28 divisors (see below), whose sum is σ = 25366174937856. Its totient is φ = 5858854052480.

The previous prime is 12250331202103. The next prime is 12250331202113. The reversal of 12250331202112 is 21120213305221.

It is a super-2 number, since 2×122503312021122 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12250331202113) 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, 4161116464 + ... + 4161119407.

Almost surely, 212250331202112 is an apocalyptic number.

It is an amenable number.

12250331202112 is an abundant number, since it is smaller than the sum of its proper divisors (13115843735744).

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

12250331202112 is an equidigital number, since it uses as much as digits as its factorization.

12250331202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322235906 (or 8322235896 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 12250331202112 its reverse (21120213305221), we get a palindrome (33370544507333).

The spelling of 12250331202112 in words is "twelve trillion, two hundred fifty billion, three hundred thirty-one million, two hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 8322235871 16644471742 33288943484 66577886968 133155773936 191411425033 266311547872 382822850066 532623095744 765645700132 1531291400264 3062582800528 6125165601056 12250331202112