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212012001211222 = 2195579263189769
BaseRepresentation
bin110000001101001011100100…
…000001010011001101010110
31000210200011000220002212012101
4300031023210001103031112
5210242101034302224342
62030524545131112314
762441235014050162
oct6015134401231526
91023604026085171
10212012001211222
116160a86a5a6833
121b94141a2a269a
13913b852148684
143a4d615457ca2
151979dba8be3b7
hexc0d2e4053356

212012001211222 has 8 divisors (see below), whose sum is σ = 334755791386200. Its totient is φ = 100426737415824.

The previous prime is 212012001211201. The next prime is 212012001211273. The reversal of 212012001211222 is 222112100210212.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 212012001211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789631594847 + ... + 2789631594922.

It is an arithmetic number, because the mean of its divisors is an integer number (41844473923275).

Almost surely, 2212012001211222 is an apocalyptic number.

212012001211222 is a deficient number, since it is larger than the sum of its proper divisors (122743790174978).

212012001211222 is a wasteful number, since it uses less digits than its factorization.

212012001211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579263189790.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212012001211222 its reverse (222112100210212), we get a palindrome (434124101421434).

The spelling of 212012001211222 in words is "two hundred twelve trillion, twelve billion, one million, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 19 38 5579263189769 11158526379538 106006000605611 212012001211222