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121333021230 = 2357275563183
BaseRepresentation
bin111000100000000000…
…0101111101000101110
3102121011220111002212010
41301000000233220232
53441442223134410
6131423431422050
711523513443451
oct1610000575056
9377156432763
10121333021230
1147503366763
121b622224926
13b598414525
145c303c1498
153252019c20
hex1c4002fa2e

121333021230 has 32 divisors (see below), whose sum is σ = 291599852544. Its totient is φ = 32310961056.

The previous prime is 121333021223. The next prime is 121333021261. The reversal of 121333021230 is 32120333121.

It is a junction number, because it is equal to n+sod(n) for n = 121333021197 and 121333021206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2759782 + ... + 2803401.

It is an arithmetic number, because the mean of its divisors is an integer number (9112495392).

Almost surely, 2121333021230 is an apocalyptic number.

121333021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121333021230 is an abundant number, since it is smaller than the sum of its proper divisors (170266831314).

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

121333021230 is a wasteful number, since it uses less digits than its factorization.

121333021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563920.

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

Adding to 121333021230 its reverse (32120333121), we get a palindrome (153453354351).

The spelling of 121333021230 in words is "one hundred twenty-one billion, three hundred thirty-three million, twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 727 1454 2181 3635 4362 7270 10905 21810 5563183 11126366 16689549 27815915 33379098 55631830 83447745 166895490 4044434041 8088868082 12133302123 20222170205 24266604246 40444340410 60666510615 121333021230