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212020210001212 = 221013221162931543
BaseRepresentation
bin110000001101010011001101…
…010011010110010100111100
31000210200221012222101121010021
4300031103031103112110330
5210242214342230014322
62030532423450021524
762441645311444414
oct6015231523262474
91023627188347107
10212020210001212
11616132a2210198
121b942b2b4178a4
13913c55ca02962
143a4db93751644
15197a1eb3ad4c7
hexc0d4cd4d653c

212020210001212 has 24 divisors (see below), whose sum is σ = 374825320424352. Its totient is φ = 104927913048000.

The previous prime is 212020210001207. The next prime is 212020210001227. The reversal of 212020210001212 is 212100012020212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80164488 + ... + 82767055.

It is an arithmetic number, because the mean of its divisors is an integer number (15617721684348).

Almost surely, 2212020210001212 is an apocalyptic number.

It is an amenable number.

212020210001212 is a deficient number, since it is larger than the sum of its proper divisors (162805110423140).

212020210001212 is a wasteful number, since it uses less digits than its factorization.

212020210001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162934869 (or 162934867 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212020210001212 its reverse (212100012020212), we get a palindrome (424120222021424).

The spelling of 212020210001212 in words is "two hundred twelve trillion, twenty billion, two hundred ten million, one thousand, two hundred twelve".

Divisors: 1 2 4 101 202 404 3221 6442 12884 325321 650642 1301284 162931543 325863086 651726172 16456085843 32912171686 65824343372 524802500003 1049605000006 2099210000012 53005052500303 106010105000606 212020210001212