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12124599225 = 352161661323
BaseRepresentation
bin10110100101010111…
…01011001110111001
31011021222120110100120
423102223223032321
5144312344133400
65323040123453
7606313251534
oct132253531671
934258513316
1012124599225
115162024942
122424606589
1311b2c0bc8b
148303b3a1b
154ae683ca0
hex2d2aeb3b9

12124599225 has 12 divisors (see below), whose sum is σ = 20046004176. Its totient is φ = 6466452880.

The previous prime is 12124599197. The next prime is 12124599251. The reversal of 12124599225 is 52299542121.

It is not a de Polignac number, because 12124599225 - 212 = 12124595129 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80830587 + ... + 80830736.

It is an arithmetic number, because the mean of its divisors is an integer number (1670500348).

Almost surely, 212124599225 is an apocalyptic number.

12124599225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12124599225 is a deficient number, since it is larger than the sum of its proper divisors (7921404951).

12124599225 is a wasteful number, since it uses less digits than its factorization.

12124599225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161661336 (or 161661331 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The spelling of 12124599225 in words is "twelve billion, one hundred twenty-four million, five hundred ninety-nine thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 161661323 484983969 808306615 2424919845 4041533075 12124599225