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121322111230 = 2559712896207
BaseRepresentation
bin111000011111101011…
…1001000000011111110
3102121011010221211011001
41300333113020003332
53441431430024410
6131422401520514
711523321634045
oct1607727100376
9377133854131
10121322111230
11474a8194931
121b61a64313a
13b5960946c8
145c2cb8155c
1532510b233a
hex1c3f5c80fe

121322111230 has 32 divisors (see below), whose sum is σ = 225209134080. Its totient is φ = 47034385440.

The previous prime is 121322111219. The next prime is 121322111231. The reversal of 121322111230 is 32111223121.

It is a super-2 number, since 2×1213221112302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121322111198 and 121322111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121322111231) 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, 1406214 + ... + 1489993.

It is an arithmetic number, because the mean of its divisors is an integer number (7037785440).

Almost surely, 2121322111230 is an apocalyptic number.

121322111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121322111230 is a deficient number, since it is larger than the sum of its proper divisors (103887022850).

121322111230 is a wasteful number, since it uses less digits than its factorization.

121322111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896344.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121322111230 its reverse (32111223121), we get a palindrome (153433334351).

The spelling of 121322111230 in words is "one hundred twenty-one billion, three hundred twenty-two million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 59 71 118 142 295 355 590 710 4189 8378 20945 41890 2896207 5792414 14481035 28962070 170876213 205630697 341752426 411261394 854381065 1028153485 1708762130 2056306970 12132211123 24264422246 60661055615 121322111230