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12124142134 = 213255764399
BaseRepresentation
bin10110100101010011…
…11011101000110110
31011021221201020100021
423102221323220312
5144312240022014
65323022235354
7606306336106
oct132251735066
934257636307
1012124142134
115161842485
122424425b5a
1311b2aabc00
148302d5206
154ae5e3624
hex2d2a7ba36

12124142134 has 24 divisors (see below), whose sum is σ = 19728424800. Its totient is φ = 5585624928.

The previous prime is 12124142131. The next prime is 12124142141. The reversal of 12124142134 is 43124142121.

It is a junction number, because it is equal to n+sod(n) for n = 12124142099 and 12124142108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124142131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156067 + ... + 220465.

It is an arithmetic number, because the mean of its divisors is an integer number (822017700).

Almost surely, 212124142134 is an apocalyptic number.

12124142134 is a deficient number, since it is larger than the sum of its proper divisors (7604282666).

12124142134 is a wasteful number, since it uses less digits than its factorization.

12124142134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64984 (or 64971 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 12124142134 its reverse (43124142121), we get a palindrome (55248284255).

The spelling of 12124142134 in words is "twelve billion, one hundred twenty-four million, one hundred forty-two thousand, one hundred thirty-four".

Divisors: 1 2 13 26 169 338 557 1114 7241 14482 64399 94133 128798 188266 837187 1674374 10883431 21766862 35870243 71740486 466313159 932626318 6062071067 12124142134