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120212102120 = 23511653418391
BaseRepresentation
bin110111111110100110…
…0110001101111101000
3102111021210021111220112
41233331030301233220
53432143244231440
6131120310313452
711453653002635
oct1577514615750
9374253244815
10120212102120
1146a88663630
121b36a958888
13b44a11ac96
145b6559918c
1531d8900965
hex1bfd331be8

120212102120 has 64 divisors (see below), whose sum is σ = 295518637440. Its totient is φ = 43646444800.

The previous prime is 120212102039. The next prime is 120212102161. The reversal of 120212102120 is 21201212021.

It is a super-2 number, since 2×1202121021202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120212102095 and 120212102104.

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 15 ways as a sum of consecutive naturals, for example, 78125 + ... + 496515.

It is an arithmetic number, because the mean of its divisors is an integer number (4617478710).

Almost surely, 2120212102120 is an apocalyptic number.

120212102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120212102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147759318720).

120212102120 is an abundant number, since it is smaller than the sum of its proper divisors (175306535320).

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

120212102120 is a wasteful number, since it uses less digits than its factorization.

120212102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419066 (or 419062 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120212102120 its reverse (21201212021), we get a palindrome (141413314141).

The spelling of 120212102120 in words is "one hundred twenty billion, two hundred twelve million, one hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 653 1306 2612 3265 5224 6530 7183 13060 14366 26120 28732 35915 57464 71830 143660 287320 418391 836782 1673564 2091955 3347128 4183910 4602301 8367820 9204602 16735640 18409204 23011505 36818408 46023010 92046020 184092040 273209323 546418646 1092837292 1366046615 2185674584 2732093230 3005302553 5464186460 6010605106 10928372920 12021210212 15026512765 24042420424 30053025530 60106051060 120212102120