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12157360185127 is a prime number
BaseRepresentation
bin1011000011101001101100…
…1000101001111100100111
31121001020021100000202120011
42300322123020221330213
53043141233201411002
641505003020551051
72363224501350313
oct260723310517447
947036240022504
1012157360185127
1139679a8978a83
1214442173b2487
136a2584a86071
143005c2a88b43
15161392c658d7
hexb0e9b229f27

12157360185127 has 2 divisors, whose sum is σ = 12157360185128. Its totient is φ = 12157360185126.

The previous prime is 12157360185079. The next prime is 12157360185149. The reversal of 12157360185127 is 72158106375121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12157360185127 - 231 = 12155212701479 is a prime.

It is a super-2 number, since 2×121573601851272 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12157360185197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078680092563 + 6078680092564.

It is an arithmetic number, because the mean of its divisors is an integer number (6078680092564).

Almost surely, 212157360185127 is an apocalyptic number.

12157360185127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12157360185127 is an equidigital number, since it uses as much as digits as its factorization.

12157360185127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 12157360185127 in words is "twelve trillion, one hundred fifty-seven billion, three hundred sixty million, one hundred eighty-five thousand, one hundred twenty-seven".