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212201212001210 = 2530179370313497
BaseRepresentation
bin110000001111111011110001…
…110111001011101110111010
31000211100020102022120212221222
4300033323301313023232322
5210303201040233014320
62031151520243032042
762461013565165335
oct6017736167135672
91024306368525858
10212201212001210
1161683035111843
121b97202466b622
1391536471047c3
143a5884465961c
15197ec91a40825
hexc0fef1dcbbba

212201212001210 has 16 divisors (see below), whose sum is σ = 381963452677416. Its totient is φ = 84880202339328.

The previous prime is 212201212001201. The next prime is 212201212001293. The reversal of 212201212001210 is 12100212102212.

It can be written as a sum of positive squares in 4 ways, for example, as 203150603054281 + 9050608946929 = 14253091^2 + 3008423^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32138819 + ... + 38174678.

Almost surely, 2212201212001210 is an apocalyptic number.

212201212001210 is a deficient number, since it is larger than the sum of its proper divisors (169762240676206).

212201212001210 is a wasteful number, since it uses less digits than its factorization.

212201212001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70615297.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212201212001210 its reverse (12100212102212), we get a palindrome (224301424103422).

The spelling of 212201212001210 in words is "two hundred twelve trillion, two hundred one billion, two hundred twelve million, one thousand, two hundred ten".

Divisors: 1 2 5 10 301793 603586 1508965 3017930 70313497 140626994 351567485 703134970 21220121200121 42440242400242 106100606000605 212201212001210