Search a number
-
+
122120121010 = 25171973517919
BaseRepresentation
bin111000110111011101…
…1010010101010110010
3102200012202112220202211
41301232323102222302
54000100222333020
6132033510002334
711552151621136
oct1615673225262
9380182486684
10122120121010
1147877696448
121b8019463aa
13b6924cb744
145ca6b4d3c6
15329b19485a
hex1c6eed2ab2

122120121010 has 64 divisors (see below), whose sum is σ = 248352998400. Its totient is φ = 42958190592.

The previous prime is 122120120977. The next prime is 122120121023. The reversal of 122120121010 is 10121021221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23170 + ... + 494749.

It is an arithmetic number, because the mean of its divisors is an integer number (3880515600).

Almost surely, 2122120121010 is an apocalyptic number.

122120121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122120121010 is an abundant number, since it is smaller than the sum of its proper divisors (126232877390).

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

122120121010 is a wasteful number, since it uses less digits than its factorization.

122120121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518035.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122120121010 its reverse (10121021221), we get a palindrome (132241142231).

The spelling of 122120121010 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 17 19 34 38 73 85 95 146 170 190 323 365 646 730 1241 1387 1615 2482 2774 3230 6205 6935 12410 13870 23579 47158 117895 235790 517919 1035838 2589595 5179190 8804623 9840461 17609246 19680922 37808087 44023115 49202305 75616174 88046230 98404610 167287837 189040435 334575674 378080870 642737479 718353653 836439185 1285474958 1436707306 1672878370 3213687395 3591768265 6427374790 7183536530 12212012101 24424024202 61060060505 122120121010