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12211003332 = 22321130835867
BaseRepresentation
bin10110101111101010…
…10001111111000100
31011112000011020111200
423113311101333010
5200002004101312
65335404102500
7611412546543
oct132765217704
934460136450
1012211003332
1151a687a5a0
122449534a30
1311c7aa2278
1483ba6615a
154b70500dc
hex2d7d51fc4

12211003332 has 36 divisors (see below), whose sum is σ = 33672767856. Its totient is φ = 3700303920.

The previous prime is 12211003319. The next prime is 12211003333. The reversal of 12211003332 is 23330011221.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (12211003333) 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, 15417538 + ... + 15418329.

Almost surely, 212211003332 is an apocalyptic number.

12211003332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12211003332 is an abundant number, since it is smaller than the sum of its proper divisors (21461764524).

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

12211003332 is a wasteful number, since it uses less digits than its factorization.

12211003332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30835888 (or 30835883 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12211003332 its reverse (23330011221), we get a palindrome (35541014553).

The spelling of 12211003332 in words is "twelve billion, two hundred eleven million, three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 30835867 61671734 92507601 123343468 185015202 277522803 339194537 370030404 555045606 678389074 1017583611 1110091212 1356778148 2035167222 3052750833 4070334444 6105501666 12211003332