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121220332322 = 260610166161
BaseRepresentation
bin111000011100101001…
…0110111101100100010
3102120220001102220201212
41300321102313230202
53441224401113242
6131404324230122
711520644552405
oct1607122675442
9376801386655
10121220332322
1147455798931
121b5b053b342
13b57ac7a2bb
145c1d449d3c
1532471aa782
hex1c394b7b22

121220332322 has 4 divisors (see below), whose sum is σ = 181830498486. Its totient is φ = 60610166160.

The previous prime is 121220332319. The next prime is 121220332349. The reversal of 121220332322 is 223233022121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112977326641 + 8243005681 = 336121^2 + 90791^2 .

It is a super-2 number, since 2×1212203323222 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30305083079 + ... + 30305083082.

Almost surely, 2121220332322 is an apocalyptic number.

121220332322 is a deficient number, since it is larger than the sum of its proper divisors (60610166164).

121220332322 is an equidigital number, since it uses as much as digits as its factorization.

121220332322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60610166163.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 121220332322 its reverse (223233022121), we get a palindrome (344453354443).

The spelling of 121220332322 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred thirty-two thousand, three hundred twenty-two".

Divisors: 1 2 60610166161 121220332322