Search a number
-
+
10010101212012 = 2231175834100091
BaseRepresentation
bin1001000110101010100010…
…0001101110001101101100
31022102221211011102222201210
42101222220201232031230
52303001141402241022
633142324345034420
72052130432260066
oct221525041561554
938387734388653
1010010101212012
11320a295198120
121158036785a10
13577c43ac2055
142686c48ba736
151255bbb44a0c
hex91aa886e36c

10010101212012 has 24 divisors (see below), whose sum is σ = 25480257630912. Its totient is φ = 3033364003600.

The previous prime is 10010101211993. The next prime is 10010101212019. The reversal of 10010101212012 is 21021210101001.

It is a super-2 number, since 2×100101012120122 (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (10010101212019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37917049914 + ... + 37917050177.

It is an arithmetic number, because the mean of its divisors is an integer number (1061677401288).

Almost surely, 210010101212012 is an apocalyptic number.

10010101212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10010101212012 is an abundant number, since it is smaller than the sum of its proper divisors (15470156418900).

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

10010101212012 is a wasteful number, since it uses less digits than its factorization.

10010101212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75834100109 (or 75834100107 counting only the distinct ones).

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

Adding to 10010101212012 its reverse (21021210101001), we get a palindrome (31031311313013).

The spelling of 10010101212012 in words is "ten trillion, ten billion, one hundred one million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 75834100091 151668200182 227502300273 303336400364 455004600546 834175101001 910009201092 1668350202002 2502525303003 3336700404004 5005050606006 10010101212012