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212011122022212 = 22317667593501851
BaseRepresentation
bin110000001101001010101111…
…100111011101011101000100
31000210200001202121202102121110
4300031022233213131131010
5210242042234214202322
62030524322003045020
762441204150056002
oct6015125747353504
91023601677672543
10212011122022212
116160a459299047
121b941213970770
13913b741c5a5a6
143a4d570797a72
151979d68603c0c
hexc0d2af9dd744

212011122022212 has 12 divisors (see below), whose sum is σ = 494692618051856. Its totient is φ = 70670374007400.

The previous prime is 212011122022177. The next prime is 212011122022243. The reversal of 212011122022212 is 212220221110212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2120111220222122 (a number of 29 digits) contains 22 as substring.

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, 8833796750914 + ... + 8833796750937.

Almost surely, 2212011122022212 is an apocalyptic number.

It is an amenable number.

212011122022212 is an abundant number, since it is smaller than the sum of its proper divisors (282681496029644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212011122022212 is a wasteful number, since it uses less digits than its factorization.

212011122022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17667593501858 (or 17667593501856 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212011122022212 its reverse (212220221110212), we get a palindrome (424231343132424).

The spelling of 212011122022212 in words is "two hundred twelve trillion, eleven billion, one hundred twenty-two million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17667593501851 35335187003702 53002780505553 70670374007404 106005561011106 212011122022212