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12210312121330 = 2523118394484189
BaseRepresentation
bin1011000110101110111101…
…0100010000101111110010
31121020021221122102211101111
42301223233110100233302
53100023204400340310
641545201232423534
72400110626364131
oct261535724205762
947207848384344
1012210312121330
113988400963424
1214525349a7baa
136a757327c2ab
14302da746d918
1516294185828a
hexb1aef510bf2

12210312121330 has 32 divisors (see below), whose sum is σ = 22936093747200. Its totient is φ = 4671375943872.

The previous prime is 12210312121291. The next prime is 12210312121409. The reversal of 12210312121330 is 3312121301221.

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, 480876 + ... + 4965064.

It is an arithmetic number, because the mean of its divisors is an integer number (716752929600).

Almost surely, 212210312121330 is an apocalyptic number.

12210312121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210312121330 is a deficient number, since it is larger than the sum of its proper divisors (10725781625870).

12210312121330 is a wasteful number, since it uses less digits than its factorization.

12210312121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496058.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12210312121330 its reverse (3312121301221), we get a palindrome (15522433422551).

The spelling of 12210312121330 in words is "twelve trillion, two hundred ten billion, three hundred twelve million, one hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 11839 23678 59195 118390 272297 544594 1361485 2722970 4484189 8968378 22420945 44841890 103136347 206272694 515681735 1031363470 53088313571 106176627142 265441567855 530883135710 1221031212133 2442062424266 6105156060665 12210312121330