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12222100010987 = 313531787625007
BaseRepresentation
bin1011000111011010110111…
…1011011111011111101011
31121021102101011102200001022
42301312231323133133223
53100221330100322422
641554431044043055
72401006013654306
oct261665573373753
947242334380038
1012222100010987
1139923aa910399
12145488469348b
136a87014a9529
143037a4c35b3d
15162dd167b342
hexb1dadedf7eb

12222100010987 has 16 divisors (see below), whose sum is σ = 12659202035712. Its totient is φ = 11787713160960.

The previous prime is 12222100010969. The next prime is 12222100011071. The reversal of 12222100010987 is 78901000122221.

It is a cyclic number.

It is not a de Polignac number, because 12222100010987 - 212 = 12222100006891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222100012987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19242638 + ... + 19867644.

It is an arithmetic number, because the mean of its divisors is an integer number (791200127232).

Almost surely, 212222100010987 is an apocalyptic number.

12222100010987 is a deficient number, since it is larger than the sum of its proper divisors (437102024725).

12222100010987 is a wasteful number, since it uses less digits than its factorization.

12222100010987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627178.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 12222100010987 in words is "twelve trillion, two hundred twenty-two billion, one hundred million, ten thousand, nine hundred eighty-seven".

Divisors: 1 31 353 1787 10943 55397 625007 630811 19375217 19555141 220627471 1116887509 6839451601 34623512779 394261290677 12222100010987