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120111200201220 = 2235291373311522249
BaseRepresentation
bin11011010011110110010001…
…011010111110101000000100
3120202021112000001120112212120
4123103312101122332220010
5111220400214222414340
61103242153523045540
734204514340251424
oct3323662132765004
9522245001515776
10120111200201220
11352a8968248258
121157a431b108b0
13520358c48b7c7
1421935ad7d6484
15dd457bcc84d0
hex6d3d916bea04

120111200201220 has 192 divisors, whose sum is σ = 351506766240000. Its totient is φ = 30606683627520.

The previous prime is 120111200201143. The next prime is 120111200201297. The reversal of 120111200201220 is 22102002111021.

120111200201220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (120111200201143) and next prime (120111200201297).

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 120111200201220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78142656 + ... + 79664904.

It is an arithmetic number, because the mean of its divisors is an integer number (1830764407500).

Almost surely, 2120111200201220 is an apocalyptic number.

120111200201220 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 120111200201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175753383120000).

120111200201220 is an abundant number, since it is smaller than the sum of its proper divisors (231395566038780).

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

120111200201220 is a wasteful number, since it uses less digits than its factorization.

120111200201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522758 (or 1522756 counting only the distinct ones).

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

Adding to 120111200201220 its reverse (22102002111021), we get a palindrome (142213202312241).

The spelling of 120111200201220 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred million, two hundred one thousand, two hundred twenty".