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12222212010012 = 22327271355334457
BaseRepresentation
bin1011000111011011010010…
…0110101111000000011100
31121021102122222011210211100
42301312310212233000130
53100222042233310022
641554450124353100
72401011543643134
oct261666446570034
947242588153740
1012222212010012
113992458057974
1214548b60a5790
136a871b761744
143037b5a6bac4
15162ddb4011ac
hexb1db49af01c

12222212010012 has 72 divisors (see below), whose sum is σ = 30940713157536. Its totient is φ = 4068048466944.

The previous prime is 12222212009993. The next prime is 12222212010031. The reversal of 12222212010012 is 21001021222221.

It is a happy number.

12222212010012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12222212009993) and next prime (12222212010031).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354691888 + ... + 354726344.

It is an arithmetic number, because the mean of its divisors is an integer number (429732127188).

Almost surely, 212222212010012 is an apocalyptic number.

12222212010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12222212010012 is an abundant number, since it is smaller than the sum of its proper divisors (18718501147524).

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

12222212010012 is a wasteful number, since it uses less digits than its factorization.

12222212010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48747 (or 48742 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12222212010012 its reverse (21001021222221), we get a palindrome (33223233232233).

The spelling of 12222212010012 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, ten thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 727 1454 2181 2908 4362 6543 8724 13086 13553 26172 27106 34457 40659 54212 68914 81318 103371 121977 137828 162636 206742 243954 310113 413484 487908 620226 1240452 9853031 19706062 25050239 29559093 39412124 50100478 59118186 75150717 88677279 100200956 118236372 150301434 177354558 225452151 300602868 354709116 450904302 466995721 901808604 933991442 1400987163 1867982884 2801974326 4202961489 5603948652 8405922978 16811845956 339505889167 679011778334 1018517667501 1358023556668 2037035335002 3055553002503 4074070670004 6111106005006 12222212010012