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1201012110012 = 2231113897178017
BaseRepresentation
bin10001011110100001111…
…001100111001010111100
311020211000121011121220110
4101132201321213022330
5124134133100010022
62315423133350020
7152525125332051
oct21364171471274
94224017147813
101201012110012
1142338a031350
12174920638310
13893411a4c80
14421b4b09028
15213939b000c
hex117a1e672bc

1201012110012 has 96 divisors (see below), whose sum is σ = 3292694141184. Its totient is φ = 335905689600.

The previous prime is 1201012110007. The next prime is 1201012110029. The reversal of 1201012110012 is 2100112101021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1201012110012.

It is a congruent number.

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, 15355228 + ... + 15433244.

It is an arithmetic number, because the mean of its divisors is an integer number (34298897304).

Almost surely, 21201012110012 is an apocalyptic number.

1201012110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201012110012 is an abundant number, since it is smaller than the sum of its proper divisors (2091682031172).

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

1201012110012 is a wasteful number, since it uses less digits than its factorization.

1201012110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87019 (or 87017 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1201012110012 its reverse (2100112101021), we get a palindrome (3301124211033).

The spelling of 1201012110012 in words is "one trillion, two hundred one billion, twelve million, one hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 132 143 156 286 429 572 858 1716 8971 17942 26913 35884 53826 78017 98681 107652 116623 156034 197362 233246 234051 296043 312068 349869 394724 466492 468102 592086 699738 858187 936204 1014221 1184172 1282853 1399476 1716374 2028442 2565706 2574561 3042663 3432748 3848559 4056884 5131412 5149122 6085326 7697118 10298244 11156431 12170652 15394236 22312862 33469293 44625724 66938586 133877172 699890507 1399781014 2099671521 2799562028 4199343042 7698795577 8398686084 9098576591 15397591154 18197153182 23096386731 27295729773 30795182308 36394306364 46192773462 54591459546 92385546924 100084342501 109182919092 200168685002 300253027503 400337370004 600506055006 1201012110012