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1221302230322 = 217373213145191
BaseRepresentation
bin10001110001011011010…
…010010001110100110010
311022202101122121112101212
4101301123102101310302
5130002211332332242
62333020345200122
7154144002446546
oct21613322216462
94282348545355
101221302230322
11430a512a7019
12178843790042
138b2259cb815
144317b751a26
1521b7ee37782
hex11c5b491d32

1221302230322 has 32 divisors (see below), whose sum is σ = 1945871351424. Its totient is φ = 572907974400.

The previous prime is 1221302230301. The next prime is 1221302230361. The reversal of 1221302230322 is 2230322031221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27002747 + ... + 27047937.

It is an arithmetic number, because the mean of its divisors is an integer number (60808479732).

Almost surely, 21221302230322 is an apocalyptic number.

1221302230322 is a deficient number, since it is larger than the sum of its proper divisors (724569121102).

1221302230322 is a wasteful number, since it uses less digits than its factorization.

1221302230322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47714.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1221302230322 its reverse (2230322031221), we get a palindrome (3451624261543).

The spelling of 1221302230322 in words is "one trillion, two hundred twenty-one billion, three hundred two million, two hundred thirty thousand, three hundred twenty-two".

Divisors: 1 2 17 34 373 746 2131 4262 6341 12682 36227 45191 72454 90382 768247 794863 1536494 1589726 13512671 16856243 27025342 33712486 96302021 192604042 286556131 573112262 1637134357 3274268714 35920653833 71841307666 610651115161 1221302230322