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12033112200 = 2335220055187
BaseRepresentation
bin10110011010011101…
…01011100010001000
31011001121102102202020
423031032223202020
5144120434042300
65310011204440
7604122523524
oct131516534210
934047372666
1012033112200
11511541832a
1223b9a46720
131199c89245
1482219ad84
154a66118a0
hex2cd3ab888

12033112200 has 48 divisors (see below), whose sum is σ = 37302649680. Its totient is φ = 3208829760.

The previous prime is 12033112199. The next prime is 12033112207. The reversal of 12033112200 is 221133021.

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 12033112200.

It is not an unprimeable number, because it can be changed into a prime (12033112207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10026994 + ... + 10028193.

It is an arithmetic number, because the mean of its divisors is an integer number (777138535).

Almost surely, 212033112200 is an apocalyptic number.

12033112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12033112200 is an abundant number, since it is smaller than the sum of its proper divisors (25269537480).

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

12033112200 is a wasteful number, since it uses less digits than its factorization.

12033112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20055206 (or 20055197 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12033112200 its reverse (221133021), we get a palindrome (12254245221).

The spelling of 12033112200 in words is "twelve billion, thirty-three million, one hundred twelve thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 20055187 40110374 60165561 80220748 100275935 120331122 160441496 200551870 240662244 300827805 401103740 481324488 501379675 601655610 802207480 1002759350 1203311220 1504139025 2005518700 2406622440 3008278050 4011037400 6016556100 12033112200