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121322130330 = 23536071121173
BaseRepresentation
bin111000011111101011…
…1001100101110011010
3102121011010222210100110
41300333113030232122
53441431431132310
6131422402145150
711523322043532
oct1607727145632
9377133883313
10121322130330
11474a81a8215
121b61a6521b6
13b5960a02cb
145c2cb884c2
1532510b7d20
hex1c3f5ccb9a

121322130330 has 32 divisors (see below), whose sum is σ = 291254097024. Its totient is φ = 32343569856.

The previous prime is 121322130271. The next prime is 121322130331. The reversal of 121322130330 is 33031223121.

It is a junction number, because it is equal to n+sod(n) for n = 121322130297 and 121322130306.

It is not an unprimeable number, because it can be changed into a prime (121322130331) 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, 452377 + ... + 668796.

It is an arithmetic number, because the mean of its divisors is an integer number (9101690532).

Almost surely, 2121322130330 is an apocalyptic number.

121322130330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121322130330 is an abundant number, since it is smaller than the sum of its proper divisors (169931966694).

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

121322130330 is a wasteful number, since it uses less digits than its factorization.

121322130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124790.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121322130330 its reverse (33031223121), we get a palindrome (154353353451).

The spelling of 121322130330 in words is "one hundred twenty-one billion, three hundred twenty-two million, one hundred thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3607 7214 10821 18035 21642 36070 54105 108210 1121173 2242346 3363519 5605865 6727038 11211730 16817595 33635190 4044071011 8088142022 12132213033 20220355055 24264426066 40440710110 60661065165 121322130330