Search a number
-
+
12012010010 = 2571121343259
BaseRepresentation
bin10110010111111100…
…01011101000011010
31011000010201022222122
423023332023220122
5144100033310020
65303535021242
7603445254230
oct131376135032
934003638878
1012012010010
115104514a00
1223b296a822
1311957ab240
1481d466950
154a4844125
hex2cbf8ba1a

12012010010 has 288 divisors, whose sum is σ = 30453978240. Its totient is φ = 3318416640.

The previous prime is 12012009959. The next prime is 12012010013. The reversal of 12012010010 is 1001021021.

It is a self number, because there is not a number n which added to its sum of digits gives 12012010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012010013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 203593361 + ... + 203593419.

It is an arithmetic number, because the mean of its divisors is an integer number (105742980).

Almost surely, 212012010010 is an apocalyptic number.

12012010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012010010 is an abundant number, since it is smaller than the sum of its proper divisors (18441968230).

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

12012010010 is a wasteful number, since it uses less digits than its factorization.

12012010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 140 counting only the distinct ones).

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

Adding to 12012010010 its reverse (1001021021), we get a palindrome (13013031031).

The spelling of 12012010010 in words is "twelve billion, twelve million, ten thousand, ten".