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12012221102101 = 118340031328667
BaseRepresentation
bin1010111011001101000000…
…1010111111100000010101
31120112100122100020102012121
42232303100022333200111
53033302012100231401
641314201014415541
72346566015452543
oct256632012774025
946470570212177
1012012221102101
113911399721790
1214200706615b1
136919945b964c
142d7574b12d93
1515c6eacb7ca1
hexaecd02bf815

12012221102101 has 16 divisors (see below), whose sum is σ = 13262495275008. Its totient is φ = 10788329983600.

The previous prime is 12012221102047. The next prime is 12012221102143. The reversal of 12012221102101 is 10120112221021.

12012221102101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12012221102101 - 213 = 12012221093909 is a prime.

It is a super-2 number, since 2×120122211021012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012221102201) 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, 36383970 + ... + 36712636.

It is an arithmetic number, because the mean of its divisors is an integer number (828905954688).

Almost surely, 212012221102101 is an apocalyptic number.

12012221102101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012221102101 is a deficient number, since it is larger than the sum of its proper divisors (1250274172907).

12012221102101 is a wasteful number, since it uses less digits than its factorization.

12012221102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368792.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012221102101 its reverse (10120112221021), we get a palindrome (22132333323122).

The spelling of 12012221102101 in words is "twelve trillion, twelve billion, two hundred twenty-one million, one hundred two thousand, one hundred one".

Divisors: 1 11 83 913 40031 328667 440341 3322573 3615337 27279361 36548303 300072971 13156868677 144725555447 1092020100191 12012221102101