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120122102211220 = 225231330691962403
BaseRepresentation
bin11011010100000000011011…
…001110110110001010010100
3120202022120010211122001002201
4123110000123032312022110
5111221040031131224340
61103251155411014244
734205351446643224
oct3324003316661224
9522276124561081
10120122102211220
113530255213777a
1211580574b9a384
135204608cc74b5
142193d2567a084
15dd49b8e5d79a
hex6d401b3b6294

120122102211220 has 48 divisors (see below), whose sum is σ = 263226197082240. Its totient is φ = 45959392043136.

The previous prime is 120122102211193. The next prime is 120122102211227. The reversal of 120122102211220 is 22112201221021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122102211227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60230539 + ... + 62192941.

It is an arithmetic number, because the mean of its divisors is an integer number (5483879105880).

Almost surely, 2120122102211220 is an apocalyptic number.

120122102211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122102211220 is an abundant number, since it is smaller than the sum of its proper divisors (143104094871020).

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

120122102211220 is a wasteful number, since it uses less digits than its factorization.

120122102211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095504 (or 2095502 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120122102211220 its reverse (22112201221021), we get a palindrome (142234303432241).

The spelling of 120122102211220 in words is "one hundred twenty trillion, one hundred twenty-two billion, one hundred two million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 133069 266138 532276 665345 1330690 1962403 2661380 3060587 3924806 6121174 7849612 9812015 12242348 15302935 19624030 30605870 39248060 45135269 61211740 90270538 180541076 225676345 451352690 902705380 261135004807 522270009614 1044540019228 1305675024035 2611350048070 5222700096140 6006105110561 12012210221122 24024420442244 30030525552805 60061051105610 120122102211220