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12001110001212 = 2233735167518911
BaseRepresentation
bin1010111010100011100111…
…1001100000011000111100
31120111021221222202000012110
42232220321321200120330
53033111233130014322
641305122301134020
72346023456611443
oct256507171403074
946437858660173
1012001110001212
113907707800182
121419a8b55a310
13690913662837
142d6bdd1a1d5a
1515c29a5cec0c
hexaea39e6063c

12001110001212 has 48 divisors (see below), whose sum is σ = 28083152125952. Its totient is φ = 3988865321280.

The previous prime is 12001110001169. The next prime is 12001110001241. The reversal of 12001110001212 is 21210001110021.

12001110001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×120011100012122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22868037 + ... + 23386947.

Almost surely, 212001110001212 is an apocalyptic number.

12001110001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12001110001212 is an abundant number, since it is smaller than the sum of its proper divisors (16082042124740).

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

12001110001212 is a wasteful number, since it uses less digits than its factorization.

12001110001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524458 (or 524456 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12001110001212 its reverse (21210001110021), we get a palindrome (33211111111233).

The spelling of 12001110001212 in words is "twelve trillion, one billion, one hundred ten million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 373 746 1119 1492 2238 4476 5167 10334 15501 20668 31002 62004 518911 1037822 1556733 1927291 2075644 3113466 3854582 5781873 6226932 7709164 11563746 23127492 193553803 387107606 580661409 774215212 1161322818 2322645636 2681213137 5362426274 8043639411 10724852548 16087278822 32174557644 1000092500101 2000185000202 3000277500303 4000370000404 6000555000606 12001110001212