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212112011001 = 31110760071371
BaseRepresentation
bin1100010110001011011…
…1000110111011111001
3202021111110011121001110
43011202313012323321
511433401133323001
6241235400310533
721216222226302
oct3054267067371
9667443147043
10212112011001
1181a57778350
1235137a72449
13170047414a7
14a3a29397a9
1557b696d3d6
hex3162dc6ef9

212112011001 has 16 divisors (see below), whose sum is σ = 311409992448. Its totient is φ = 127351304400.

The previous prime is 212112010997. The next prime is 212112011071. The reversal of 212112011001 is 100110211212.

It is not a de Polignac number, because 212112011001 - 22 = 212112010997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112011071) 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, 30032155 + ... + 30039216.

It is an arithmetic number, because the mean of its divisors is an integer number (19463124528).

Almost surely, 2212112011001 is an apocalyptic number.

It is an amenable number.

212112011001 is a deficient number, since it is larger than the sum of its proper divisors (99297981447).

212112011001 is a wasteful number, since it uses less digits than its factorization.

212112011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60071492.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212112011001 its reverse (100110211212), we get a palindrome (312222222213).

The spelling of 212112011001 in words is "two hundred twelve billion, one hundred twelve million, eleven thousand, one".

Divisors: 1 3 11 33 107 321 1177 3531 60071371 180214113 660785081 1982355243 6427636697 19282910091 70704003667 212112011001