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12471013213 is a prime number
BaseRepresentation
bin10111001110101010…
…01000111101011101
31012012010102010000021
423213111020331131
5201020034410323
65421253032141
7621020602051
oct134725107535
935163363007
1012471013213
11531a61a89a
122500625651
13123990ab79
148643c9c61
154cecb005d
hex2e7548f5d

12471013213 has 2 divisors, whose sum is σ = 12471013214. Its totient is φ = 12471013212.

The previous prime is 12471013201. The next prime is 12471013253. The reversal of 12471013213 is 31231017421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9212544324 + 3258468889 = 95982^2 + 57083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12471013213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12471013253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6235506606 + 6235506607.

It is an arithmetic number, because the mean of its divisors is an integer number (6235506607).

Almost surely, 212471013213 is an apocalyptic number.

It is an amenable number.

12471013213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12471013213 is an equidigital number, since it uses as much as digits as its factorization.

12471013213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 12471013213 in words is "twelve billion, four hundred seventy-one million, thirteen thousand, two hundred thirteen".