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120121210220012 = 221923321179320291
BaseRepresentation
bin11011010011111111100110…
…000100001010110111101100
3120202022110211200012012012022
4123103333212010022313230
5111221031214304020022
61103250531104325312
734205320366101611
oct3323774604126754
9522273750165168
10120121210220012
1135302134685561
1211580366313838
1352044c6276251
142193c7d006508
15dd49659b4c42
hex6d3fe610adec

120121210220012 has 48 divisors (see below), whose sum is σ = 222236782185600. Its totient is φ = 56652464730240.

The previous prime is 120121210219937. The next prime is 120121210220017. The reversal of 120121210220012 is 210022012121021.

It is not an unprimeable number, because it can be changed into a prime (120121210220017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374877587 + ... + 375197877.

It is an arithmetic number, because the mean of its divisors is an integer number (4629932962200).

Almost surely, 2120121210220012 is an apocalyptic number.

It is an amenable number.

120121210220012 is a deficient number, since it is larger than the sum of its proper divisors (102115571965588).

120121210220012 is a wasteful number, since it uses less digits than its factorization.

120121210220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341726 (or 341724 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120121210220012 its reverse (210022012121021), we get a palindrome (330143222341033).

The spelling of 120121210220012 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 19 38 76 233 466 932 4427 8854 17708 21179 42358 84716 320291 402401 640582 804802 1281164 1609604 4934707 6085529 9869414 12171058 19738828 24342116 74627803 93759433 149255606 187518866 298511212 375037732 1417928257 2835856514 5671713028 6783443089 13566886178 27133772356 128885418691 257770837382 515541674764 1580542239737 3161084479474 6322168958948 30030302555003 60060605110006 120121210220012