Search a number
-
+
12200111011200 = 273527414428031
BaseRepresentation
bin1011000110001000111101…
…0010000111010110000000
31121012022121201020202000210
42301202033102013112000
53044341311404324300
641540353103314120
72366300060362230
oct261421722072600
947168551222023
1012200111011200
1139840466783a2
1214505685ab940
136a6608a09458
143026ba719cc0
15162545ec2050
hexb188f487580

12200111011200 has 384 divisors, whose sum is σ = 47044828938240. Its totient is φ = 2720581632000.

The previous prime is 12200111011183. The next prime is 12200111011213. The reversal of 12200111011200 is 211011100221.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 541185 + ... + 4969215.

It is an arithmetic number, because the mean of its divisors is an integer number (122512575360).

Almost surely, 212200111011200 is an apocalyptic number.

12200111011200 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 12200111011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23522414469120).

12200111011200 is an abundant number, since it is smaller than the sum of its proper divisors (34844717927040).

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

12200111011200 is a wasteful number, since it uses less digits than its factorization.

12200111011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428106 (or 4428089 counting only the distinct ones).

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

Adding to 12200111011200 its reverse (211011100221), we get a palindrome (12411122111421).

The spelling of 12200111011200 in words is "twelve trillion, two hundred billion, one hundred eleven million, eleven thousand, two hundred".