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11212313130000 = 2432543783113359
BaseRepresentation
bin1010001100101001000111…
…1100001111010000010000
31110200212221101021011202200
42203022101330033100100
52432200304130130000
635502510542443200
72235030400050453
oct243122174172020
943625841234680
1011212313130000
11363312a503a04
121311030b93500
13634416721c68
142aa970aa549a
151469d0b03500
hexa3291f0f410

11212313130000 has 1200 divisors, whose sum is σ = 41231232282240. Its totient is φ = 2840721408000.

The previous prime is 11212313129971. The next prime is 11212313130001. The reversal of 11212313130000 is 3131321211.

11212313130000 is a `hidden beast` number, since 1 + 121 + 231 + 313 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11212313130001) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 31232069821 + ... + 31232070179.

Almost surely, 211212313130000 is an apocalyptic number.

11212313130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212313130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20615616141120).

11212313130000 is an abundant number, since it is smaller than the sum of its proper divisors (30018919152240).

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

11212313130000 is a wasteful number, since it uses less digits than its factorization.

11212313130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11212313130000 its reverse (3131321211), we get a palindrome (11215444451211).

The spelling of 11212313130000 in words is "eleven trillion, two hundred twelve billion, three hundred thirteen million, one hundred thirty thousand".