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120011210201220 = 223513153860525899
BaseRepresentation
bin11011010010011001001001…
…100011011001100010000100
3120201220221220120202021001020
4123102121021203121202010
5111212230424302414340
61103124215554231140
734164344444262432
oct3322311143314204
9521827816667036
10120011210201220
113526a517522318
1211562b875854b0
1351c7015a70930
14218c805c19d52
15dd1b788b69d0
hex6d26498d9884

120011210201220 has 48 divisors (see below), whose sum is σ = 361879956916800. Its totient is φ = 29541220972416.

The previous prime is 120011210201209. The next prime is 120011210201227. The reversal of 120011210201220 is 22102012110021.

It is a super-2 number, since 2×1200112102012202 (a number of 29 digits) contains 22 as substring.

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 120011210201220.

It is not an unprimeable number, because it can be changed into a prime (120011210201227) 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, 76930262170 + ... + 76930263729.

It is an arithmetic number, because the mean of its divisors is an integer number (7539165769100).

Almost surely, 2120011210201220 is an apocalyptic number.

120011210201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011210201220 is an abundant number, since it is smaller than the sum of its proper divisors (241868746715580).

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

120011210201220 is a wasteful number, since it uses less digits than its factorization.

120011210201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153860525924 (or 153860525922 counting only the distinct ones).

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

Adding to 120011210201220 its reverse (22102012110021), we get a palindrome (142113222311241).

The spelling of 120011210201220 in words is "one hundred twenty trillion, eleven billion, two hundred ten million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 153860525899 307721051798 461581577697 615442103596 769302629495 923163155394 1538605258990 1846326310788 2000186836687 2307907888485 3077210517980 4000373673374 4615815776970 6000560510061 8000747346748 9231631553940 10000934183435 12001121020122 20001868366870 24002242040244 30002802550305 40003736733740 60005605100610 120011210201220