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12201110021211 = 3371811270347807
BaseRepresentation
bin1011000110001100101011…
…0101000010010001011011
31121012102012100001201010120
42301203022311002101123
53044400333131134321
641541040151444323
72366333611000656
oct261431265022133
947172170051116
1012201110021211
113984509585401
1214507a70866a3
136a673798ab37
1430277328a89d
151625a3a59ec6
hexb18cad4245b

12201110021211 has 32 divisors (see below), whose sum is σ = 16801808744448. Its totient is φ = 7869724283520.

The previous prime is 12201110021143. The next prime is 12201110021227. The reversal of 12201110021211 is 11212001110221.

It is a happy number.

It is not a de Polignac number, because 12201110021211 - 222 = 12201105826907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201110023211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255192070 + ... + 255239876.

It is an arithmetic number, because the mean of its divisors is an integer number (525056523264).

Almost surely, 212201110021211 is an apocalyptic number.

12201110021211 is a deficient number, since it is larger than the sum of its proper divisors (4600698723237).

12201110021211 is a wasteful number, since it uses less digits than its factorization.

12201110021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60731.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12201110021211 its reverse (11212001110221), we get a palindrome (23413111131432).

The spelling of 12201110021211 in words is "twelve trillion, two hundred one billion, one hundred ten million, twenty-one thousand, two hundred eleven".

Divisors: 1 3 37 111 181 543 6697 12703 20091 38109 47807 143421 470011 1410033 1768859 2299243 5306577 6897729 8653067 25959201 85071991 255215973 320163479 607292321 960490437 1821876963 22469815877 67409447631 109919910101 329759730303 4067036673737 12201110021211