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122102211101212 = 22111727328158259
BaseRepresentation
bin11011110000110100100010…
…111010110100001000011100
3121000022212011000211210210201
4123300310202322310020130
5112001010312020214322
61111404551552313244
734501410421544026
oct3360644272641034
9530285130753721
10122102211101212
11359a6290a72171
1211840287542824
13531925c5bac94
142221ac84ab016
15e1b25aa2dd27
hex6f0d22eb421c

122102211101212 has 12 divisors (see below), whose sum is σ = 213870166542760. Its totient is φ = 60996449231856.

The previous prime is 122102211101179. The next prime is 122102211101279. The reversal of 122102211101212 is 212101112201221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122102211101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13664074662 + ... + 13664083597.

Almost surely, 2122102211101212 is an apocalyptic number.

It is an amenable number.

122102211101212 is a deficient number, since it is larger than the sum of its proper divisors (91767955441548).

122102211101212 is a wasteful number, since it uses less digits than its factorization.

122102211101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27328159380 (or 27328159378 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122102211101212 its reverse (212101112201221), we get a palindrome (334203323302433).

The spelling of 122102211101212 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred eleven million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 1117 2234 4468 27328158259 54656316518 109312633036 30525552775303 61051105550606 122102211101212