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12012113223030 = 2355931217554821
BaseRepresentation
bin1010111011001100100110…
…1111011101110101110110
31120112100100211020120221110
42232303021233131311312
53033301301441114110
641314142202255450
72346563235503364
oct256631157356566
946470324216843
1012012113223030
113911343839628
1214200404b7586
1369197814778b
142d7564670634
1515c6e15a8a20
hexaecc9bddd76

12012113223030 has 64 divisors (see below), whose sum is σ = 28901468046528. Its totient is φ = 3195195064320.

The previous prime is 12012113223023. The next prime is 12012113223049. The reversal of 12012113223030 is 3032231121021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12012113222988 and 12012113223006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21373020 + ... + 21927840.

It is an arithmetic number, because the mean of its divisors is an integer number (451585438227).

Almost surely, 212012113223030 is an apocalyptic number.

12012113223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012113223030 is an abundant number, since it is smaller than the sum of its proper divisors (16889354823498).

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

12012113223030 is a wasteful number, since it uses less digits than its factorization.

12012113223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556641.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12012113223030 its reverse (3032231121021), we get a palindrome (15044344344051).

The spelling of 12012113223030 in words is "twelve trillion, twelve billion, one hundred thirteen million, two hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 593 1186 1217 1779 2434 2965 3558 3651 5930 6085 7302 8895 12170 17790 18255 36510 554821 721681 1109642 1443362 1664463 2165043 2774105 3328926 3608405 4330086 5548210 7216810 8322315 10825215 16644630 21650430 329008853 658017706 675217157 987026559 1350434314 1645044265 1974053118 2025651471 3290088530 3376085785 4051302942 4935132795 6752171570 9870265590 10128257355 20256514710 400403774101 800807548202 1201211322303 2002018870505 2402422644606 4004037741010 6006056611515 12012113223030