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12011201230030 = 252122156600543
BaseRepresentation
bin1010111011001001001101…
…1000011111010011001110
31120112021000021011112201221
42232302103120133103032
53033242420003330110
641313511503153554
72346531522624562
oct256622330372316
946467007145657
1012011201230030
113910a15a65802
12141ba26ba58ba
13691861212352
142d74b94b16a2
1515c68b4ad7da
hexaec9361f4ce

12011201230030 has 16 divisors (see below), whose sum is σ = 21621181405824. Its totient is φ = 4804254004960.

The previous prime is 12011201229967. The next prime is 12011201230033. The reversal of 12011201230030 is 3003210211021.

It is a junction number, because it is equal to n+sod(n) for n = 12011201229986 and 12011201230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011201230033) 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, 28088062 + ... + 28512481.

It is an arithmetic number, because the mean of its divisors is an integer number (1351323837864).

Almost surely, 212011201230030 is an apocalyptic number.

12011201230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011201230030 is a deficient number, since it is larger than the sum of its proper divisors (9609980175794).

12011201230030 is a wasteful number, since it uses less digits than its factorization.

12011201230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56621771.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12011201230030 its reverse (3003210211021), we get a palindrome (15014411441051).

The spelling of 12011201230030 in words is "twelve trillion, eleven billion, two hundred one million, two hundred thirty thousand, thirty".

Divisors: 1 2 5 10 21221 42442 106105 212210 56600543 113201086 283002715 566005430 1201120123003 2402240246006 6005600615015 12011201230030