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12500134212275 = 521423351374117
BaseRepresentation
bin1011010111100110101000…
…0011110011001010110011
31122021000000211211111122222
42311321222003303022303
53114300233324243100
642330252105551255
72430050656455323
oct265715203631263
948230024744588
1012500134212275
113a8a305980a36
12149a7397a552b
136c89b059c4b8
1431301c97b283
1516a255715485
hexb5e6a0f32b3

12500134212275 has 12 divisors (see below), whose sum is σ = 15511059064992. Its totient is φ = 9993079859040.

The previous prime is 12500134212271. The next prime is 12500134212341. The reversal of 12500134212275 is 57221243100521.

It is not a de Polignac number, because 12500134212275 - 22 = 12500134212271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12500134212271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175651484 + ... + 175722633.

It is an arithmetic number, because the mean of its divisors is an integer number (1292588255416).

Almost surely, 212500134212275 is an apocalyptic number.

12500134212275 is a deficient number, since it is larger than the sum of its proper divisors (3010924852717).

12500134212275 is a wasteful number, since it uses less digits than its factorization.

12500134212275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351375550 (or 351375545 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 12500134212275 its reverse (57221243100521), we get a palindrome (69721377312796).

The spelling of 12500134212275 in words is "twelve trillion, five hundred billion, one hundred thirty-four million, two hundred twelve thousand, two hundred seventy-five".

Divisors: 1 5 25 1423 7115 35575 351374117 1756870585 8784352925 500005368491 2500026842455 12500134212275