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12122010212010 = 235404067007067
BaseRepresentation
bin1011000001100110000000…
…0111001101011010101010
31120220212000201211001202120
42300121200013031122222
53042101334103241020
641440435152212110
72360533466501226
oct260314007153252
946825021731676
1012122010212010
113953a08820a66
1214393b083a036
1369c1401b84ca
142dc9cbcbb786
151604c4604740
hexb06601cd6aa

12122010212010 has 16 divisors (see below), whose sum is σ = 29092824508896. Its totient is φ = 3232536056528.

The previous prime is 12122010212009. The next prime is 12122010212017. The reversal of 12122010212010 is 1021201022121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12122010212017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202033503504 + ... + 202033503563.

It is an arithmetic number, because the mean of its divisors is an integer number (1818301531806).

Almost surely, 212122010212010 is an apocalyptic number.

12122010212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122010212010 is an abundant number, since it is smaller than the sum of its proper divisors (16970814296886).

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

12122010212010 is a wasteful number, since it uses less digits than its factorization.

12122010212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404067007077.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122010212010 its reverse (1021201022121), we get a palindrome (13143211234131).

The spelling of 12122010212010 in words is "twelve trillion, one hundred twenty-two billion, ten million, two hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 404067007067 808134014134 1212201021201 2020335035335 2424402042402 4040670070670 6061005106005 12122010212010