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120102122001220 = 2256005106100061
BaseRepresentation
bin11011010011101101110100…
…010100011001001101000100
3120202020122120101100012121221
4123103231310110121031010
5111220223121213014340
61103234053025450124
734204043354652142
oct3323556424311504
9522218511305557
10120102122001220
11352a50298a5227
12115787197a0944
13520277375b528
142192d8bc66592
15dd41e9d0144a
hex6d3b74519344

120102122001220 has 12 divisors (see below), whose sum is σ = 252214456202604. Its totient is φ = 48040848800480.

The previous prime is 120102122001193. The next prime is 120102122001311. The reversal of 120102122001220 is 22100221201021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73805555912256 + 46296566088964 = 8591016^2 + 6804158^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120102122001194 and 120102122001203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002553050011 + ... + 3002553050050.

It is an arithmetic number, because the mean of its divisors is an integer number (21017871350217).

Almost surely, 2120102122001220 is an apocalyptic number.

120102122001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102122001220 is an abundant number, since it is smaller than the sum of its proper divisors (132112334201384).

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

120102122001220 is a wasteful number, since it uses less digits than its factorization.

120102122001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005106100070 (or 6005106100068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120102122001220 its reverse (22100221201021), we get a palindrome (142202343202241).

The spelling of 120102122001220 in words is "one hundred twenty trillion, one hundred two billion, one hundred twenty-two million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6005106100061 12010212200122 24020424400244 30025530500305 60051061000610 120102122001220