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121333221332 = 2230333305333
BaseRepresentation
bin111000100000000000…
…1100000011111010100
3102121011220212021100022
41301000001200133110
53441442301040312
6131423440004312
711523515236031
oct1610001403724
9377156767308
10121333221332
1147503493034
121b622300698
13b59848462b
145c30434388
153252059172
hex1c400607d4

121333221332 has 6 divisors (see below), whose sum is σ = 212333137338. Its totient is φ = 60666610664.

The previous prime is 121333221299. The next prime is 121333221337. The reversal of 121333221332 is 233122333121.

It can be written as a sum of positive squares in only one way, i.e., 117673697296 + 3659524036 = 343036^2 + 60494^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333221337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15166652663 + ... + 15166652670.

It is an arithmetic number, because the mean of its divisors is an integer number (35388856223).

Almost surely, 2121333221332 is an apocalyptic number.

It is an amenable number.

121333221332 is a deficient number, since it is larger than the sum of its proper divisors (90999916006).

121333221332 is a wasteful number, since it uses less digits than its factorization.

121333221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30333305337 (or 30333305335 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 121333221332 its reverse (233122333121), we get a palindrome (354455554453).

The spelling of 121333221332 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 30333305333 60666610666 121333221332