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12211102233 = 3211123344467
BaseRepresentation
bin10110101111101011…
…01010001000011001
31011112000100021011200
423113311222020121
5200002020232413
65335410144413
7611413441101
oct132765521031
934460307150
1012211102233
1151a6937930
122449582109
1311c7b082a5
1483ba90201
154b706e573
hex2d7d6a219

12211102233 has 12 divisors (see below), whose sum is σ = 19241737008. Its totient is φ = 7400667960.

The previous prime is 12211102217. The next prime is 12211102237. The reversal of 12211102233 is 33220111221.

It is not a de Polignac number, because 12211102233 - 24 = 12211102217 is a prime.

It is a super-2 number, since 2×122111022332 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211102237) 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, 61672135 + ... + 61672332.

It is an arithmetic number, because the mean of its divisors is an integer number (1603478084).

Almost surely, 212211102233 is an apocalyptic number.

It is an amenable number.

12211102233 is a deficient number, since it is larger than the sum of its proper divisors (7030634775).

12211102233 is a wasteful number, since it uses less digits than its factorization.

12211102233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123344484 (or 123344481 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12211102233 its reverse (33220111221), we get a palindrome (45431213454).

The spelling of 12211102233 in words is "twelve billion, two hundred eleven million, one hundred two thousand, two hundred thirty-three".

Divisors: 1 3 9 11 33 99 123344467 370033401 1110100203 1356789137 4070367411 12211102233