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1212201001330 = 251189123820327
BaseRepresentation
bin10001101000111100110…
…011110110000101110010
311021212220101001012022121
4101220330303312011302
5124330041424020310
62324513310224454
7153402320334334
oct21507463660562
94255811035277
101212201001330
11428100954a70
12176b237b512a
138a405297517
1442956b09454
15217eae120da
hex11a3ccf6172

1212201001330 has 32 divisors (see below), whose sum is σ = 2407067176320. Its totient is φ = 435847547520.

The previous prime is 1212201001273. The next prime is 1212201001373. The reversal of 1212201001330 is 331001022121.

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, 61900374 + ... + 61919953.

It is an arithmetic number, because the mean of its divisors is an integer number (75220849260).

Almost surely, 21212201001330 is an apocalyptic number.

1212201001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212201001330 is a deficient number, since it is larger than the sum of its proper divisors (1194866174990).

1212201001330 is a wasteful number, since it uses less digits than its factorization.

1212201001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123820434.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1212201001330 its reverse (331001022121), we get a palindrome (1543202023451).

The spelling of 1212201001330 in words is "one trillion, two hundred twelve billion, two hundred one million, one thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 89 110 178 445 890 979 1958 4895 9790 123820327 247640654 619101635 1238203270 1362023597 2724047194 6810117985 11020009103 13620235970 22040018206 55100045515 110200091030 121220100133 242440200266 606100500665 1212201001330