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1200000011210 = 2571113119880121
BaseRepresentation
bin10001011101100101100…
…100110000101111001010
311020201102001201200100122
4101131211210300233022
5124130100000324320
62315134500503242
7152461055540510
oct21354544605712
94221361650318
101200000011210
11422a0a7a4560
121746996aab22
138920c5bcb40
144211a52c4b0
1521334bddd25
hex11765930bca

1200000011210 has 64 divisors (see below), whose sum is σ = 2900139911424. Its totient is φ = 345254745600.

The previous prime is 1200000011207. The next prime is 1200000011227. The reversal of 1200000011210 is 121100000021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59930051 + ... + 59950070.

It is an arithmetic number, because the mean of its divisors is an integer number (45314686116).

Almost surely, 21200000011210 is an apocalyptic number.

1200000011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200000011210 is an abundant number, since it is smaller than the sum of its proper divisors (1700139900214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200000011210 is a wasteful number, since it uses less digits than its factorization.

1200000011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119880159.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1200000011210 its reverse (121100000021), we get a palindrome (1321100011231).

The spelling of 1200000011210 in words is "one trillion, two hundred billion, eleven thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1430 2002 5005 10010 119880121 239760242 599400605 839160847 1198801210 1318681331 1558441573 1678321694 2637362662 3116883146 4195804235 6593406655 7792207865 8391608470 9230769317 10909091011 13186813310 15584415730 17142857303 18461538634 21818182022 34285714606 46153846585 54545455055 85714286515 92307693170 109090910110 120000001121 171428573030 240000002242 600000005605 1200000011210