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1222303113212 = 22378599614441
BaseRepresentation
bin10001110010010110111…
…100010101111111111100
311022211222101221122121112
4101302112330111333330
5130011234044110322
62333303541421152
7154210545015506
oct21622674257774
94284871848545
101222303113212
11431415273165
12178a82a0a7b8
138b35518780c
144323464cd76
1521bdcc405e2
hex11c96f15ffc

1222303113212 has 24 divisors (see below), whose sum is σ = 2199399751920. Its totient is φ = 593941645440.

The previous prime is 1222303113169. The next prime is 1222303113307. The reversal of 1222303113212 is 2123113032221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4680089 + ... + 4934352.

It is an arithmetic number, because the mean of its divisors is an integer number (91641656330).

Almost surely, 21222303113212 is an apocalyptic number.

It is an amenable number.

1222303113212 is a deficient number, since it is larger than the sum of its proper divisors (977096638708).

1222303113212 is a wasteful number, since it uses less digits than its factorization.

1222303113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615341 (or 9615339 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1222303113212 its reverse (2123113032221), we get a palindrome (3345416145433).

The spelling of 1222303113212 in words is "one trillion, two hundred twenty-two billion, three hundred three million, one hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 37 74 148 859 1718 3436 31783 63566 127132 9614441 19228882 38457764 355734317 711468634 1422937268 8258804819 16517609638 33035219276 305575778303 611151556606 1222303113212