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121000212202 = 2131811569461
BaseRepresentation
bin111000010110000101…
…1001011011011101010
3102120022201020122200211
41300230023023123222
53440302023242302
6131330422251334
711512332555652
oct1605413133352
9376281218624
10121000212202
1147352513381
121b54a886b4a
13b544499ccc
145bdc10b362
153232bc9ad7
hex1c2c2cb6ea

121000212202 has 16 divisors (see below), whose sum is σ = 183111645024. Its totient is φ = 59964138000.

The previous prime is 121000212191. The next prime is 121000212233. The reversal of 121000212202 is 202212000121.

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, 72249 + ... + 497212.

It is an arithmetic number, because the mean of its divisors is an integer number (11444477814).

Almost surely, 2121000212202 is an apocalyptic number.

121000212202 is a deficient number, since it is larger than the sum of its proper divisors (62111432822).

121000212202 is a wasteful number, since it uses less digits than its factorization.

121000212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570405.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121000212202 its reverse (202212000121), we get a palindrome (323212212323).

The spelling of 121000212202 in words is "one hundred twenty-one billion, two hundred twelve thousand, two hundred two".

Divisors: 1 2 131 262 811 1622 106241 212482 569461 1138922 74599391 149198782 461832871 923665742 60500106101 121000212202