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212221011212102 = 2164137964647169
BaseRepresentation
bin110000010000001110001101…
…111111001011011101000110
31000211102010112011022000100002
4300100032031333023131012
5210304012112332241402
62031204553040521302
762462314331540264
oct6020161577133506
91024363464260302
10212221011212102
1161690475269a52
121b975a2b320232
139155481009bc9
143a597a1dd5434
15198054ed48602
hexc1038dfcb746

212221011212102 has 8 divisors (see below), whose sum is σ = 318331715683800. Its totient is φ = 106110439317504.

The previous prime is 212221011212071. The next prime is 212221011212107. The reversal of 212221011212102 is 201212110122212.

212221011212102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221011212107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29040827 + ... + 35606342.

It is an arithmetic number, because the mean of its divisors is an integer number (39791464460475).

Almost surely, 2212221011212102 is an apocalyptic number.

212221011212102 is a deficient number, since it is larger than the sum of its proper divisors (106110704471698).

212221011212102 is a wasteful number, since it uses less digits than its factorization.

212221011212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66288550.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212221011212102 its reverse (201212110122212), we get a palindrome (413433121334314).

The spelling of 212221011212102 in words is "two hundred twelve trillion, two hundred twenty-one billion, eleven million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 1641379 3282758 64647169 129294338 106110505606051 212221011212102