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120201221000220 = 22357392710898083
BaseRepresentation
bin11011010101001010000111…
…000101000100110000011100
3120202121010100202120221212020
4123111022013011010300130
5111223334100034001340
61103351402325140140
734214152211362443
oct3325120705046034
9522533322527766
10120201221000220
11353330626849a8
121159397585a650
13520bc076b3a89
142197aad389d5a
15dd6a99db29d0
hex6d5287144c1c

120201221000220 has 48 divisors (see below), whose sum is σ = 337018849802880. Its totient is φ = 32010284552256.

The previous prime is 120201221000219. The next prime is 120201221000243. The reversal of 120201221000220 is 22000122102021.

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 120201221000220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355404702 + ... + 1355493381.

It is an arithmetic number, because the mean of its divisors is an integer number (7021226037560).

Almost surely, 2120201221000220 is an apocalyptic number.

120201221000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201221000220 is an abundant number, since it is smaller than the sum of its proper divisors (216817628802660).

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

120201221000220 is a wasteful number, since it uses less digits than its factorization.

120201221000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710898834 (or 2710898832 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120201221000220 its reverse (22000122102021), we get a palindrome (142201343102241).

The spelling of 120201221000220 in words is "one hundred twenty trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 739 1478 2217 2956 3695 4434 7390 8868 11085 14780 22170 44340 2710898083 5421796166 8132694249 10843592332 13554490415 16265388498 27108980830 32530776996 40663471245 54217961660 81326942490 162653884980 2003353683337 4006707366674 6010061050011 8013414733348 10016768416685 12020122100022 20033536833370 24040244200044 30050305250055 40067073666740 60100610500110 120201221000220