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212122102001022 = 23328031401422431
BaseRepresentation
bin110000001110110010000110…
…100010011110110101111110
31000211001200020000011111012000
4300032302012202132311332
5210300402031103013042
62031051314241123130
762452213301242353
oct6016620642366576
91024050200144160
10212122102001022
11616525296277a4
121b95a8269294a6
13914904a4a46c5
143a54a9bb9662a
15197cbb177574c
hexc0ec8689ed7e

212122102001022 has 32 divisors (see below), whose sum is σ = 471550619919360. Its totient is φ = 70682141679480.

The previous prime is 212122102000999. The next prime is 212122102001041. The reversal of 212122102001022 is 220100201221212.

It is a happy number.

212122102001022 is a `hidden beast` number, since 21 + 212 + 210 + 200 + 1 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212122102000986 and 212122102001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700559854 + ... + 700862577.

It is an arithmetic number, because the mean of its divisors is an integer number (14735956872480).

Almost surely, 2212122102001022 is an apocalyptic number.

212122102001022 is an abundant number, since it is smaller than the sum of its proper divisors (259428517918338).

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

212122102001022 is a wasteful number, since it uses less digits than its factorization.

212122102001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401425245 (or 1401425239 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212122102001022 its reverse (220100201221212), we get a palindrome (432222303222234).

The spelling of 212122102001022 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred two million, one thousand, twenty-two".

Divisors: 1 2 3 6 9 18 27 54 2803 5606 8409 16818 25227 50454 75681 151362 1401422431 2802844862 4204267293 8408534586 12612801879 25225603758 37838405637 75676811274 3928187074093 7856374148186 11784561222279 23569122444558 35353683666837 70707367333674 106061051000511 212122102001022