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1222212011120 = 245107142781777
BaseRepresentation
bin10001110010010001100…
…000110100010001110000
311022211202001112012000222
4101302101200310101300
5130011042233323440
62333250525032212
7154205360452652
oct21622140642160
94284661465028
101222212011120
114313788a9881
12178a583b5668
138b33c33b059
14432264d66d2
1521bd4c472b5
hex11c91834470

1222212011120 has 40 divisors (see below), whose sum is σ = 2868200356464. Its totient is φ = 484315784192.

The previous prime is 1222212011113. The next prime is 1222212011143. The reversal of 1222212011120 is 211102122221.

It is a tau number, because it is divible by the number of its divisors (40).

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, 71382329 + ... + 71399448.

Almost surely, 21222212011120 is an apocalyptic number.

1222212011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222212011120 is an abundant number, since it is smaller than the sum of its proper divisors (1645988345344).

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

1222212011120 is a wasteful number, since it uses less digits than its factorization.

1222212011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142781897 (or 142781891 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1222212011120 its reverse (211102122221), we get a palindrome (1433314133341).

The spelling of 1222212011120 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 107 214 428 535 856 1070 1712 2140 4280 8560 142781777 285563554 571127108 713908885 1142254216 1427817770 2284508432 2855635540 5711271080 11422542160 15277650139 30555300278 61110600556 76388250695 122221201112 152776501390 244442402224 305553002780 611106005560 1222212011120