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121310210321022 = 23174229281228609
BaseRepresentation
bin11011100101010010111011…
…111111100110101001111110
3120220112010212010122112111110
4123211102323333212221332
5111400021302320233042
61110001050303102450
734360242046152402
oct3345227377465176
9526463763575443
10121310210321022
113572040a1a2738
1211732893ba1a26
13528c671970588
1421d5634689102
15e05854b3109c
hex6e54bbfe6a7e

121310210321022 has 32 divisors (see below), whose sum is σ = 256952956384800. Its totient is φ = 38049105747968.

The previous prime is 121310210320939. The next prime is 121310210321081. The reversal of 121310210321022 is 220123012013121.

It is a self number, because there is not a number n which added to its sum of digits gives 121310210321022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140182947 + ... + 141045662.

It is an arithmetic number, because the mean of its divisors is an integer number (8029779887025).

Almost surely, 2121310210321022 is an apocalyptic number.

121310210321022 is an abundant number, since it is smaller than the sum of its proper divisors (135642746063778).

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

121310210321022 is a wasteful number, since it uses less digits than its factorization.

121310210321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281232860.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121310210321022 its reverse (220123012013121), we get a palindrome (341433222334143).

The spelling of 121310210321022 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred ten million, three hundred twenty-one thousand, twenty-two".

Divisors: 1 2 3 6 17 34 51 102 4229 8458 12687 25374 71893 143786 215679 431358 281228609 562457218 843685827 1687371654 4780886353 9561772706 14342659059 28685318118 1189315787461 2378631574922 3567947362383 7135894724766 20218368386837 40436736773674 60655105160511 121310210321022