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12211124024 = 2311556924917
BaseRepresentation
bin10110101111101011…
…01111011100111000
31011112000101101001202
423113311233130320
5200002021432044
65335410433332
7611413561451
oct132765573470
934460341052
1012211124024
1151a6952240
122449592848
1311c7b15198
1483ba98128
154b7075c4e
hex2d7d6f738

12211124024 has 32 divisors (see below), whose sum is σ = 24982786800. Its totient is φ = 5549291520.

The previous prime is 12211123999. The next prime is 12211124027. The reversal of 12211124024 is 42042111221.

It is a super-2 number, since 2×122111240242 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211123987 and 12211124005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211124027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477614 + ... + 502530.

Almost surely, 212211124024 is an apocalyptic number.

It is an amenable number.

12211124024 is an abundant number, since it is smaller than the sum of its proper divisors (12771662776).

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

12211124024 is a wasteful number, since it uses less digits than its factorization.

12211124024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30503 (or 30499 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12211124024 its reverse (42042111221), we get a palindrome (54253235245).

The spelling of 12211124024 in words is "twelve billion, two hundred eleven million, one hundred twenty-four thousand, twenty-four".

Divisors: 1 2 4 8 11 22 44 88 5569 11138 22276 24917 44552 49834 61259 99668 122518 199336 245036 274087 490072 548174 1096348 2192696 138762773 277525546 555051092 1110102184 1526390503 3052781006 6105562012 12211124024