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120211222120122 = 23716717138754223
BaseRepresentation
bin11011010101010011011011…
…001100010100011010111010
3120202122002011202110111012110
4123111103123030110122322
5111224020040330320442
61103400134551553150
734214655101450430
oct3325233314243272
9522562152414173
10120211222120122
1135337324a94351
12115958a708b7b6
13520cb3c6a3bc3
14219837b720d50
15dd6e82de269c
hex6d54db3146ba

120211222120122 has 32 divisors (see below), whose sum is σ = 276413828124672. Its totient is φ = 34140398410224.

The previous prime is 120211222120111. The next prime is 120211222120123. The reversal of 120211222120122 is 221021222112021.

It is a super-2 number, since 2×1202112221201222 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (120211222120123) 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, 8569370098 + ... + 8569384125.

It is an arithmetic number, because the mean of its divisors is an integer number (8637932128896).

Almost surely, 2120211222120122 is an apocalyptic number.

120211222120122 is an abundant number, since it is smaller than the sum of its proper divisors (156202606004550).

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

120211222120122 is a wasteful number, since it uses less digits than its factorization.

120211222120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17138754402.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120211222120122 its reverse (221021222112021), we get a palindrome (341232444232143).

The spelling of 120211222120122 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 167 334 501 1002 1169 2338 3507 7014 17138754223 34277508446 51416262669 102832525338 119971279561 239942559122 359913838683 719827677366 2862171955241 5724343910482 8586515865723 17173031731446 20035203686687 40070407373374 60105611060061 120211222120122