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12000100210101 = 321729293260437
BaseRepresentation
bin1010111010011111110110…
…1101011101010110110101
31120111012100121122022012200
42232213331231131112311
53033102201123210401
641304434145535113
72345656445541153
oct256477555352665
946435317568180
1012000100210101
1139072397aa173
121419849344499
136907b23a7bc3
142d6b450263d3
1515c23bb17686
hexae9fdb5d5b5

12000100210101 has 36 divisors (see below), whose sum is σ = 19007782910532. Its totient is φ = 7269837507072.

The previous prime is 12000100210099. The next prime is 12000100210121. The reversal of 12000100210101 is 10101200100021.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 543059929476 + 11457040280625 = 736926^2 + 3384825^2 .

It is not a de Polignac number, because 12000100210101 - 21 = 12000100210099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000100210121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46501546 + ... + 46758891.

It is an arithmetic number, because the mean of its divisors is an integer number (527993969737).

Almost surely, 212000100210101 is an apocalyptic number.

It is an amenable number.

12000100210101 is a deficient number, since it is larger than the sum of its proper divisors (7007682700431).

12000100210101 is a wasteful number, since it uses less digits than its factorization.

12000100210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93260518 (or 93260486 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12000100210101 its reverse (10101200100021), we get a palindrome (22101300310122).

The spelling of 12000100210101 in words is "twelve trillion, one hundred million, two hundred ten thousand, one hundred one".

Divisors: 1 3 9 17 29 51 87 153 261 493 841 1479 2523 4437 7569 14297 42891 128673 93260437 279781311 839343933 1585427429 2704552673 4756282287 8113658019 14268846861 24340974057 45977395441 78432027517 137932186323 235296082551 413796558969 705888247653 1333344467789 4000033403367 12000100210101