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212102010221203 = 413951244747577
BaseRepresentation
bin110000001110011111011000…
…111110011011001010010011
31000210222202100202221022200201
4300032133120332123022103
5210300034404104034303
62031034152432400031
762450602353030664
oct6016373076331223
91023882322838621
10212102010221203
1161644a59311193
121b95695a0a6017
139147197aa39ab
143a53b1361d36b
15197c3d792a81d
hexc0e7d8f9b293

212102010221203 has 4 divisors (see below), whose sum is σ = 212153254972920. Its totient is φ = 212050765469488.

The previous prime is 212102010221201. The next prime is 212102010221251. The reversal of 212102010221203 is 302122010201212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212102010221203 - 21 = 212102010221201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212102010221201) 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, 25622369650 + ... + 25622377927.

It is an arithmetic number, because the mean of its divisors is an integer number (53038313743230).

Almost surely, 2212102010221203 is an apocalyptic number.

212102010221203 is a deficient number, since it is larger than the sum of its proper divisors (51244751717).

212102010221203 is an equidigital number, since it uses as much as digits as its factorization.

212102010221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51244751716.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212102010221203 its reverse (302122010201212), we get a palindrome (514224020422415).

The spelling of 212102010221203 in words is "two hundred twelve trillion, one hundred two billion, ten million, two hundred twenty-one thousand, two hundred three".

Divisors: 1 4139 51244747577 212102010221203