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12231025125 = 353112965097
BaseRepresentation
bin10110110010000011…
…01010000111100101
31011120101211110020120
423121001222013211
5200022120301000
65341401152153
7612044666244
oct133101520745
934511743216
1012231025125
115207105230
12245418b659
1311cbc92597
1484059895b
154b8ba76a0
hex2d906a1e5

12231025125 has 32 divisors (see below), whose sum is σ = 22202653824. Its totient is φ = 5930192000.

The previous prime is 12231025111. The next prime is 12231025129. The reversal of 12231025125 is 52152013221.

It is not a de Polignac number, because 12231025125 - 219 = 12230500837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12231025095 and 12231025104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231025129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1478424 + ... + 1486673.

It is an arithmetic number, because the mean of its divisors is an integer number (693832932).

Almost surely, 212231025125 is an apocalyptic number.

12231025125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12231025125 is a deficient number, since it is larger than the sum of its proper divisors (9971628699).

12231025125 is a wasteful number, since it uses less digits than its factorization.

12231025125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965126 (or 2965116 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12231025125 its reverse (52152013221), we get a palindrome (64383038346).

The spelling of 12231025125 in words is "twelve billion, two hundred thirty-one million, twenty-five thousand, one hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 125 165 275 375 825 1375 4125 2965097 8895291 14825485 32616067 44476455 74127425 97848201 163080335 222382275 370637125 489241005 815401675 1111911375 2446205025 4077008375 12231025125