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121130303312 = 2447641251291
BaseRepresentation
bin111000011001111101…
…1011011111101010000
3102120122210000222011002
41300303323123331100
53441033324201222
6131351350441132
711515502406224
oct1606373337520
9376583028132
10121130303312
1147409997797
121b5863631a8
13b5654180b5
145c114d2784
15323e325392
hex1c33edbf50

121130303312 has 40 divisors (see below), whose sum is σ = 240058242432. Its totient is φ = 59183820800.

The previous prime is 121130303311. The next prime is 121130303323. The reversal of 121130303312 is 213303031121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130303311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356387 + ... + 607677.

Almost surely, 2121130303312 is an apocalyptic number.

It is an amenable number.

121130303312 is a deficient number, since it is larger than the sum of its proper divisors (118927939120).

121130303312 is a wasteful number, since it uses less digits than its factorization.

121130303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251987 (or 251981 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121130303312 its reverse (213303031121), we get a palindrome (334433334433).

The spelling of 121130303312 in words is "one hundred twenty-one billion, one hundred thirty million, three hundred three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 47 94 188 376 641 752 1282 2564 5128 10256 30127 60254 120508 241016 251291 482032 502582 1005164 2010328 4020656 11810677 23621354 47242708 94485416 161077531 188970832 322155062 644310124 1288620248 2577240496 7570643957 15141287914 30282575828 60565151656 121130303312