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12122498725 = 524311276743
BaseRepresentation
bin10110100101000111…
…01010011010100101
31011021211121202000021
423102203222122211
5144311324424400
65322523115141
7606256352611
oct132243523245
934254552007
1012122498725
11516091a797
122423972ab1
1311b2654b8c
1482ddc8341
154ae3bb71a
hex2d28ea6a5

12122498725 has 12 divisors (see below), whose sum is σ = 15381478816. Its totient is φ = 9472463280.

The previous prime is 12122498701. The next prime is 12122498743. The reversal of 12122498725 is 52789422121.

12122498725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12122498725 - 211 = 12122496677 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5637297 + ... + 5639446.

Almost surely, 212122498725 is an apocalyptic number.

It is an amenable number.

12122498725 is a deficient number, since it is larger than the sum of its proper divisors (3258980091).

12122498725 is a wasteful number, since it uses less digits than its factorization.

12122498725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11276796 (or 11276791 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The spelling of 12122498725 in words is "twelve billion, one hundred twenty-two million, four hundred ninety-eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 43 215 1075 11276743 56383715 281918575 484899949 2424499745 12122498725