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212212211002212 = 223127139246857613
BaseRepresentation
bin110000010000000110000001…
…011101000010101101100100
31000211101021210212011000211110
4300100012001131002231210
5210303341102004032322
62031200535513505020
762461553263150551
oct6020060135025544
91024337725130743
10212212211002212
1161687769828013
121b974194112170
1391546aaa6c515
143a591a9349a28
1519801d7483c0c
hexc10181742b64

212212211002212 has 24 divisors (see below), whose sum is σ = 499060737688576. Its totient is φ = 70180416236448.

The previous prime is 212212211002199. The next prime is 212212211002279. The reversal of 212212211002212 is 212200112212212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69623427283 + ... + 69623430330.

Almost surely, 2212212211002212 is an apocalyptic number.

It is an amenable number.

212212211002212 is an abundant number, since it is smaller than the sum of its proper divisors (286848526686364).

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

212212211002212 is a wasteful number, since it uses less digits than its factorization.

212212211002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139246857747 (or 139246857745 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212212211002212 its reverse (212200112212212), we get a palindrome (424412323214424).

The spelling of 212212211002212 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred eleven million, two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 127 254 381 508 762 1524 139246857613 278493715226 417740572839 556987430452 835481145678 1670962291356 17684350916851 35368701833702 53053052750553 70737403667404 106106105501106 212212211002212