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121221320300130 = 23519159935318119
BaseRepresentation
bin11011100100000000001001…
…101111000101011001100010
3120220012122102020101121110110
4123210000021233011121202
5111342042230444101010
61105452150013312150
734350644215353501
oct3344001157053142
9526178366347413
10121221320300130
1135696745092356
1211719606a95656
135284176ab418b
1421d1200d66838
15e033a0e5c120
hex6e4009bc5662

121221320300130 has 64 divisors (see below), whose sum is σ = 292942614528000. Its totient is φ = 32102756537280.

The previous prime is 121221320300123. The next prime is 121221320300147. The reversal of 121221320300130 is 31003023122121.

It is a junction number, because it is equal to n+sod(n) for n = 121221320300097 and 121221320300106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14226790 + ... + 21091329.

It is an arithmetic number, because the mean of its divisors is an integer number (4577228352000).

Almost surely, 2121221320300130 is an apocalyptic number.

121221320300130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121221320300130 is an abundant number, since it is smaller than the sum of its proper divisors (171721294227870).

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

121221320300130 is a wasteful number, since it uses less digits than its factorization.

121221320300130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35318919.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121221320300130 its reverse (31003023122121), we get a palindrome (152224343422251).

The spelling of 121221320300130 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, three hundred twenty million, three hundred thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 191 382 573 599 955 1146 1198 1797 1910 2865 2995 3594 5730 5990 8985 17970 114409 228818 343227 572045 686454 1144090 1716135 3432270 35318119 70636238 105954357 176590595 211908714 353181190 529771785 1059543570 6745760729 13491521458 20237282187 21155553281 33728803645 40474564374 42311106562 63466659843 67457607290 101186410935 105777766405 126933319686 202372821870 211555532810 317333299215 634666598430 4040710676671 8081421353342 12122132030013 20203553383355 24244264060026 40407106766710 60610660150065 121221320300130