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1222120001982 = 231126370406729
BaseRepresentation
bin10001110010001100000…
…001110101000110111110
311022211111122101122020010
4101302030001311012332
5130010400210030412
62333233441004050
7154203162421515
oct21621401650676
94284448348203
101222120001982
11431330975a70
12178a31623626
138b326264789
14432181c567c
1521bcbb2033c
hex11c8c0751be

1222120001982 has 32 divisors (see below), whose sum is σ = 2676582247680. Its totient is φ = 368931254720.

The previous prime is 1222120001969. The next prime is 1222120002031. The reversal of 1222120001982 is 2891000212221.

It is a congruent number.

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, 35186007 + ... + 35220722.

It is an arithmetic number, because the mean of its divisors is an integer number (83643195240).

Almost surely, 21222120001982 is an apocalyptic number.

1222120001982 is an abundant number, since it is smaller than the sum of its proper divisors (1454462245698).

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

1222120001982 is a wasteful number, since it uses less digits than its factorization.

1222120001982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70407008.

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 1222120001982 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, one thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 11 22 33 66 263 526 789 1578 2893 5786 8679 17358 70406729 140813458 211220187 422440374 774474019 1548948038 2323422057 4646844114 18516969727 37033939454 55550909181 111101818362 203686666997 407373333994 611060000991 1222120001982