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212120010210102 = 231491590714916119
BaseRepresentation
bin110000001110110000001001…
…110110111011101100110110
31000211001110211020002111111020
4300032300021312323230312
5210300333240103210402
62031050330514522010
762452110411305511
oct6016601166735466
91024043736074436
10212120010210102
1161651655896275
121b95a342296306
139148aa5ccc1b7
143a54940045d78
15197cadccd08bc
hexc0ec09dbbb36

212120010210102 has 32 divisors (see below), whose sum is σ = 427114146528000. Its totient is φ = 70227708780768.

The previous prime is 212120010210079. The next prime is 212120010210103. The reversal of 212120010210102 is 201012010021212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120010210103) 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, 6762799 + ... + 21678917.

It is an arithmetic number, because the mean of its divisors is an integer number (13347317079000).

Almost surely, 2212120010210102 is an apocalyptic number.

212120010210102 is an abundant number, since it is smaller than the sum of its proper divisors (214994136317898).

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

212120010210102 is a wasteful number, since it uses less digits than its factorization.

212120010210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14932180.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212120010210102 its reverse (201012010021212), we get a palindrome (413132020231314).

The spelling of 212120010210102 in words is "two hundred twelve trillion, one hundred twenty billion, ten million, two hundred ten thousand, one hundred two".

Divisors: 1 2 3 6 149 298 447 894 15907 31814 47721 95442 2370143 4740286 7110429 14220858 14916119 29832238 44748357 89496714 2222501731 4445003462 6667505193 13335010386 237270704933 474541409866 711812114799 1423624229598 35353335035017 70706670070034 106060005105051 212120010210102