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12133222200 = 233352112383107
BaseRepresentation
bin10110100110011001…
…00100011100111000
31011022120210112212000
423103030210130320
5144322101102300
65323545021000
7606446454441
oct132314443470
934276715760
1012133222200
115166984470
122427484760
1311b493ab28
148315ba2c8
154b02d8c00
hex2d3324738

12133222200 has 768 divisors, whose sum is σ = 48596889600. Its totient is φ = 2753625600.

The previous prime is 12133222193. The next prime is 12133222243. The reversal of 12133222200 is 222233121.

12133222200 is a `hidden beast` number, since 121 + 3 + 322 + 220 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 113394547 + ... + 113394653.

It is an arithmetic number, because the mean of its divisors is an integer number (63277200).

Almost surely, 212133222200 is an apocalyptic number.

12133222200 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 12133222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24298444800).

12133222200 is an abundant number, since it is smaller than the sum of its proper divisors (36463667400).

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

12133222200 is a wasteful number, since it uses less digits than its factorization.

12133222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12133222200 its reverse (222233121), we get a palindrome (12355455321).

The spelling of 12133222200 in words is "twelve billion, one hundred thirty-three million, two hundred twenty-two thousand, two hundred".