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121020202002 = 2372881433381
BaseRepresentation
bin111000010110101011…
…1011011110000010010
3102120101002212020112210
41300231113123300102
53440322132431002
6131332414532550
711512664513160
oct1605527336022
9376332766483
10121020202002
1147362826a77
121b555507156
13b5486788ab
145c00a32230
15323482796c
hex1c2d5dbc12

121020202002 has 16 divisors (see below), whose sum is σ = 276617604672. Its totient is φ = 34577200560.

The previous prime is 121020201997. The next prime is 121020202019. The reversal of 121020202002 is 200202020121.

121020202002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1440716649 + ... + 1440716732.

It is an arithmetic number, because the mean of its divisors is an integer number (17288600292).

Almost surely, 2121020202002 is an apocalyptic number.

121020202002 is an abundant number, since it is smaller than the sum of its proper divisors (155597402670).

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

121020202002 is a wasteful number, since it uses less digits than its factorization.

121020202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881433393.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 121020202002 its reverse (200202020121), we get a palindrome (321222222123).

The spelling of 121020202002 in words is "one hundred twenty-one billion, twenty million, two hundred two thousand, two".

Divisors: 1 2 3 6 7 14 21 42 2881433381 5762866762 8644300143 17288600286 20170033667 40340067334 60510101001 121020202002