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120210221222220 = 223517832953480839
BaseRepresentation
bin11011010101010010011111…
…100010001100100101001100
3120202121222121000002121101210
4123111102133202030211030
5111224011013113102340
61103355451355134420
734214621226116643
oct3325223742144514
9522558530077353
10120210221222220
11353369610079a8
1211595667a44410
13520ca1021111c
1421982c481c35a
15dd6e250d5180
hex6d549f88c94c

120210221222220 has 192 divisors, whose sum is σ = 360804671861760. Its totient is φ = 29796753825792.

The previous prime is 120210221222219. The next prime is 120210221222281. The reversal of 120210221222220 is 22222122012021.

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 63 ways as a sum of consecutive naturals, for example, 249760561 + ... + 250241399.

It is an arithmetic number, because the mean of its divisors is an integer number (1879190999280).

Almost surely, 2120210221222220 is an apocalyptic number.

120210221222220 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 120210221222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180402335930880).

120210221222220 is an abundant number, since it is smaller than the sum of its proper divisors (240594450639540).

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

120210221222220 is a wasteful number, since it uses less digits than its factorization.

120210221222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483904 (or 483902 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 120210221222220 its reverse (22222122012021), we get a palindrome (142432343234241).

The spelling of 120210221222220 in words is "one hundred twenty trillion, two hundred ten billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty".