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1222012101120 = 2935159116159
BaseRepresentation
bin10001110010000101100…
…110001110001000000000
311022211020010100201001220
4101302011212032020000
5130010140044213440
62333215024155040
7154200412321656
oct21620546161000
94284203321056
101222012101120
11431285a784a8
12178a01468a80
138b309ab5a05
1443207b38dd6
1521bc24098d0
hex11c8598e200

1222012101120 has 80 divisors (see below), whose sum is σ = 3906619960320. Its totient is φ = 325869891584.

The previous prime is 1222012101109. The next prime is 1222012101143. The reversal of 1222012101120 is 211012102221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1222012101120.

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, 79550400 + ... + 79565759.

It is an arithmetic number, because the mean of its divisors is an integer number (48832749504).

Almost surely, 21222012101120 is an apocalyptic number.

1222012101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222012101120 is an abundant number, since it is smaller than the sum of its proper divisors (2684607859200).

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

1222012101120 is an equidigital number, since it uses as much as digits as its factorization.

1222012101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159116185 (or 159116169 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222012101120 its reverse (211012102221), we get a palindrome (1433024203341).

The spelling of 1222012101120 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1280 1536 1920 2560 3840 7680 159116159 318232318 477348477 636464636 795580795 954696954 1272929272 1591161590 1909393908 2386742385 2545858544 3182323180 3818787816 4773484770 5091717088 6364646360 7637575632 9546969540 10183434176 12729292720 15275151264 19093939080 20366868352 25458585440 30550302528 38187878160 40733736704 50917170880 61100605056 76375756320 81467473408 101834341760 122201210112 152751512640 203668683520 244402420224 305503025280 407337367040 611006050560 1222012101120