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121022212202 = 21034671258001
BaseRepresentation
bin111000010110101111…
…1000110100001101010
3102120101020122101000122
41300231133012201222
53440323141242302
6131332530003242
711513020554623
oct1605537064152
9376336571018
10121022212202
114736397a2a1
121b556116522
13b548c00868
145c00dd6a4a
153234ac33a2
hex1c2d7c686a

121022212202 has 16 divisors (see below), whose sum is σ = 183688420032. Its totient is φ = 59795256000.

The previous prime is 121022212189. The next prime is 121022212217. The reversal of 121022212202 is 202212220121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532799 + ... + 725202.

It is an arithmetic number, because the mean of its divisors is an integer number (11480526252).

Almost surely, 2121022212202 is an apocalyptic number.

121022212202 is a deficient number, since it is larger than the sum of its proper divisors (62666207830).

121022212202 is a wasteful number, since it uses less digits than its factorization.

121022212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258573.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121022212202 its reverse (202212220121), we get a palindrome (323234432323).

The spelling of 121022212202 in words is "one hundred twenty-one billion, twenty-two million, two hundred twelve thousand, two hundred two".

Divisors: 1 2 103 206 467 934 48101 96202 1258001 2516002 129574103 259148206 587486467 1174972934 60511106101 121022212202