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12986527612201 = 1121317982949409
BaseRepresentation
bin1011110011111010100101…
…0111010111110100101001
31200222111111102211022120121
42330332221113113310221
53200232402032042301
643341532312323241
72510150155242013
oct274765127276451
950874442738517
1012986527612201
114157612308400
121558a619a3521
1373281677b810
1432c7a0a511b3
15177c21a233a1
hexbcfa95d7d29

12986527612201 has 48 divisors (see below), whose sum is σ = 16278731254800. Its totient is φ = 10255488122880.

The previous prime is 12986527612129. The next prime is 12986527612211. The reversal of 12986527612201 is 10221672568921.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 233022460176 + 12753505152025 = 482724^2 + 3571205^2 .

It is not a de Polignac number, because 12986527612201 - 29 = 12986527611689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12986527612211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262812585 + ... + 262861993.

It is an arithmetic number, because the mean of its divisors is an integer number (339140234475).

Almost surely, 212986527612201 is an apocalyptic number.

12986527612201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12986527612201 is a deficient number, since it is larger than the sum of its proper divisors (3292203642599).

12986527612201 is a wasteful number, since it uses less digits than its factorization.

12986527612201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59290 (or 59279 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 12986527612201 in words is "twelve trillion, nine hundred eighty-six billion, five hundred twenty-seven million, six hundred twelve thousand, two hundred one".

Divisors: 1 11 13 17 121 143 187 221 1573 2057 2431 9829 26741 49409 108119 127777 167093 543499 642317 839953 1189309 1405547 1838023 2172209 5978489 7065487 9239483 10919389 15461017 20218253 23894299 77720357 101634313 120113279 262837289 485641061 1321246069 5342051671 6313333793 8255898037 58762568381 69446671723 90814878407 107326674481 763913388953 998963662477 1180593419291 12986527612201