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12222012001020 = 2235593452545763
BaseRepresentation
bin1011000111011010100010…
…1011110000101011111100
31121021102011000211022001220
42301312220223300223330
53100221140033013040
641554414221433340
72401003564620423
oct261665053605374
947242130738056
1012222012001020
113992365169188
12145485b10b850
136a86b91a3323
143037972862ba
15162dc8a942d0
hexb1da8af0afc

12222012001020 has 48 divisors (see below), whose sum is σ = 34801661301120. Its totient is φ = 3203962467136.

The previous prime is 12222012000983. The next prime is 12222012001093. The reversal of 12222012001020 is 2010021022221.

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

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, 1726269342 + ... + 1726276421.

It is an arithmetic number, because the mean of its divisors is an integer number (725034610440).

Almost surely, 212222012001020 is an apocalyptic number.

12222012001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222012001020 is an abundant number, since it is smaller than the sum of its proper divisors (22579649300100).

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

12222012001020 is a wasteful number, since it uses less digits than its factorization.

12222012001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452545834 (or 3452545832 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12222012001020 its reverse (2010021022221), we get a palindrome (14232033023241).

The spelling of 12222012001020 in words is "twelve trillion, two hundred twenty-two billion, twelve million, one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 3452545763 6905091526 10357637289 13810183052 17262728815 20715274578 34525457630 41430549156 51788186445 69050915260 103576372890 203700200017 207152745780 407400400034 611100600051 814800800068 1018501000085 1222201200102 2037002000170 2444402400204 3055503000255 4074004000340 6111006000510 12222012001020