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12110111221201 = 73173764478961
BaseRepresentation
bin1011000000111001101011…
…1000001010010111010001
31120212201022110202200222021
42300032122320022113101
53041403001433034301
641431150331411441
72356632562652020
oct260163270122721
946781273680867
1012110111221201
113949962090064
12143702b8b3b81
1369ac94c5b946
142dc1bd8748b7
15160029b878a1
hexb039ae0a5d1

12110111221201 has 16 divisors (see below), whose sum is σ = 14482289456128. Its totient is φ = 9907647321600.

The previous prime is 12110111221193. The next prime is 12110111221207. The reversal of 12110111221201 is 10212211101121.

It is not a de Polignac number, because 12110111221201 - 23 = 12110111221193 is a prime.

It is a super-3 number, since 3×121101112212013 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110111221207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382223640 + ... + 382255321.

It is an arithmetic number, because the mean of its divisors is an integer number (905143091008).

Almost surely, 212110111221201 is an apocalyptic number.

It is an amenable number.

12110111221201 is a deficient number, since it is larger than the sum of its proper divisors (2372178234927).

12110111221201 is an equidigital number, since it uses as much as digits as its factorization.

12110111221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764479072.

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

Adding to 12110111221201 its reverse (10212211101121), we get a palindrome (22322322322322).

The spelling of 12110111221201 in words is "twelve trillion, one hundred ten billion, one hundred eleven million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 7 31 73 217 511 2263 15841 764478961 5351352727 23698847791 55806964153 165891934537 390648749071 1730015888743 12110111221201