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122212122212011 = 13232925997542153
BaseRepresentation
bin11011110010011010111010…
…001000011011011010101011
3121000201100211220222202010011
4123302122322020123122223
5112004310411241241021
61111531250205032351
734512351213556216
oct3362327210333253
9530640756882104
10122212122212011
1135a38962a1a527
12118596405556b7
135326727564710
14222715395277d
15e1e03ee18de1
hex6f26ba21b6ab

122212122212011 has 32 divisors (see below), whose sum is σ = 142076790495360. Its totient is φ = 104181246833664.

The previous prime is 122212122212009. The next prime is 122212122212099. The reversal of 122212122212011 is 110212221212221.

It is not a de Polignac number, because 122212122212011 - 21 = 122212122212009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122212122212311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225148911 + ... + 225691063.

It is an arithmetic number, because the mean of its divisors is an integer number (4439899702980).

Almost surely, 2122212122212011 is an apocalyptic number.

122212122212011 is a deficient number, since it is larger than the sum of its proper divisors (19864668283349).

122212122212011 is a wasteful number, since it uses less digits than its factorization.

122212122212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568215.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122212122212011 its reverse (110212221212221), we get a palindrome (232424343424232).

The spelling of 122212122212011 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, eleven".

Divisors: 1 13 23 29 299 377 667 8671 25997 337961 542153 597931 753913 7047989 7773103 9800869 12469519 15722437 17339999 162103747 204391681 225419987 361616051 4701008663 14094351541 183226570033 324170085443 408736194689 4214211110759 5313570530957 9400932477847 122212122212011