Search a number
-
+
12200210121120 = 2535749911536311
BaseRepresentation
bin1011000110001001010100…
…1100001100000110100000
31121012022212121202001021120
42301202111030030012200
53044342012242333440
641540411003452240
72366302402656360
oct261422514140640
947168777661246
1012200210121120
11398409761111a
121450595827080
136a66233caa88
143026c99589a0
1516254ea4cdd0
hexb189530c1a0

12200210121120 has 384 divisors, whose sum is σ = 44053922304000. Its totient is φ = 2780176711680.

The previous prime is 12200210121101. The next prime is 12200210121161. The reversal of 12200210121120 is 2112101200221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12200210121120.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1933162765 + ... + 1933169075.

It is an arithmetic number, because the mean of its divisors is an integer number (114723756000).

Almost surely, 212200210121120 is an apocalyptic number.

12200210121120 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 12200210121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22026961152000).

12200210121120 is an abundant number, since it is smaller than the sum of its proper divisors (31853712182880).

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

12200210121120 is a wasteful number, since it uses less digits than its factorization.

12200210121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7988 (or 7980 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12200210121120 its reverse (2112101200221), we get a palindrome (14312311321341).

The spelling of 12200210121120 in words is "twelve trillion, two hundred billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty".