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1200112210200 = 2335279181139883
BaseRepresentation
bin10001011101101100010…
…000110001000100011000
311020201200212211222102210
4101131230100301010120
5124130312211211300
62315153545355120
7152463620321331
oct21355420610430
94221625758383
101200112210200
11422a680682a2
1217470b198aa0
1389229915087
144212b3b7288
152133e9a3050
hex1176c431118

1200112210200 has 192 divisors, whose sum is σ = 3788282534400. Its totient is φ = 314230924800.

The previous prime is 1200112210153. The next prime is 1200112210201. The reversal of 1200112210200 is 20122110021.

It is a super-2 number, since 2×12001122102002 (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200112210201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8509459 + ... + 8649341.

It is an arithmetic number, because the mean of its divisors is an integer number (19730638200).

Almost surely, 21200112210200 is an apocalyptic number.

1200112210200 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 1200112210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1894141267200).

1200112210200 is an abundant number, since it is smaller than the sum of its proper divisors (2588170324200).

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

1200112210200 is a wasteful number, since it uses less digits than its factorization.

1200112210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140162 (or 140153 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200112210200 its reverse (20122110021), we get a palindrome (1220234320221).

The spelling of 1200112210200 in words is "one trillion, two hundred billion, one hundred twelve million, two hundred ten thousand, two hundred".