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212201021120201 = 4726918019319307
BaseRepresentation
bin110000001111111011100110…
…011111000001111011001001
31000211100012221000102010102222
4300033323212133001323021
5210303200142401321301
62031151445303503425
762461006056551051
oct6017734637017311
91024305830363388
10212201021120201
1161682a47398043
121b971b90757b75
1391536166c1069
143a5882716c561
15197ec7edd831b
hexc0fee67c1ec9

212201021120201 has 16 divisors (see below), whose sum is σ = 217642373487360. Its totient is φ = 206799127862400.

The previous prime is 212201021120131. The next prime is 212201021120233. The reversal of 212201021120201 is 102021120102212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212201021120201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212201021120201.

It is not an unprimeable number, because it can be changed into a prime (212201021126201) 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, 18110390 + ... + 27429696.

It is an arithmetic number, because the mean of its divisors is an integer number (13602648342960).

Almost surely, 2212201021120201 is an apocalyptic number.

It is an amenable number.

212201021120201 is a deficient number, since it is larger than the sum of its proper divisors (5441352367159).

212201021120201 is a wasteful number, since it uses less digits than its factorization.

212201021120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9321424.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212201021120201 its reverse (102021120102212), we get a palindrome (314222141222413).

The spelling of 212201021120201 in words is "two hundred twelve trillion, two hundred one billion, twenty-one million, one hundred twenty thousand, two hundred one".

Divisors: 1 47 269 1801 12643 84647 484469 9319307 22770043 438007429 2506893583 16784071907 117823998401 788851379629 4514915342983 212201021120201