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121201201022 = 21131798327103
BaseRepresentation
bin111000011100000100…
…1111000111101111110
3102120211201102221112012
41300320021320331332
53441210001413042
6131402402211222
711520323132126
oct1607011707576
9376751387465
10121201201022
1147445a11240
121b5a6053b12
13b57700c3c5
145c1aaa9c86
15324567be82
hex1c38278f7e

121201201022 has 64 divisors (see below), whose sum is σ = 209823989760. Its totient is φ = 52003317600.

The previous prime is 121201201019. The next prime is 121201201063. The reversal of 121201201022 is 220102102121.

It is a super-2 number, since 2×1212012010222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121201200988 and 121201201006.

It is a congruent number.

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, 4458323 + ... + 4485425.

It is an arithmetic number, because the mean of its divisors is an integer number (3278499840).

Almost surely, 2121201201022 is an apocalyptic number.

121201201022 is a deficient number, since it is larger than the sum of its proper divisors (88622788738).

121201201022 is a wasteful number, since it uses less digits than its factorization.

121201201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27309.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121201201022 its reverse (220102102121), we get a palindrome (341303303143).

It can be divided in two parts, 121201 and 201022, that added together give a palindrome (322223).

The spelling of 121201201022 in words is "one hundred twenty-one billion, two hundred one million, two hundred one thousand, twenty-two".

Divisors: 1 2 11 22 31 62 79 83 158 166 341 682 869 913 1738 1826 2449 2573 4898 5146 6557 13114 26939 27103 28303 53878 54206 56606 72127 144254 203267 298133 406534 596266 840193 1680386 2141137 2235937 2249549 4282274 4471874 4499098 9242123 18484246 23552507 24745039 47105014 49490078 66375247 69736019 132750494 139472038 177714371 355428742 730127717 767096209 1460255434 1534192418 1954858081 3909716162 5509145501 11018291002 60600600511 121201201022