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12013103221332 = 2239831843355249
BaseRepresentation
bin1010111011010000010011…
…0000000000101001010100
31120112102220211002201022020
42232310010300000221110
53033310313411040312
641314424325333140
72346626616366663
oct256640460005124
946472824081266
1012013103221332
113911801650a44
121420277b671b0
13691aa52923a5
142d7619d36dda
1515c74d46178c
hexaed04c00a54

12013103221332 has 48 divisors (see below), whose sum is σ = 28061119632000. Its totient is φ = 4000004702208.

The previous prime is 12013103221297. The next prime is 12013103221387. The reversal of 12013103221332 is 23312230131021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217408044 + ... + 217463292.

It is an arithmetic number, because the mean of its divisors is an integer number (584606659000).

Almost surely, 212013103221332 is an apocalyptic number.

12013103221332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12013103221332 is an abundant number, since it is smaller than the sum of its proper divisors (16048016410668).

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

12013103221332 is a wasteful number, since it uses less digits than its factorization.

12013103221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74672 (or 74670 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12013103221332 its reverse (23312230131021), we get a palindrome (35325333352353).

The spelling of 12013103221332 in words is "twelve trillion, thirteen billion, one hundred three million, two hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 983 1966 2949 3932 5898 11796 18433 36866 55249 55299 73732 110498 110598 165747 220996 221196 331494 662988 18119639 36239278 54309767 54358917 72478556 108619534 108717834 162929301 217239068 217435668 325858602 651717204 1018404817 2036809634 3055214451 4073619268 6110428902 12220857804 1001091935111 2002183870222 3003275805333 4004367740444 6006551610666 12013103221332