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2012220210120 = 2335434771137853
BaseRepresentation
bin11101010010000001101…
…010111011101111001000
321010100220002022211210220
4131102001222323233020
5230432011333210440
64140222354310040
7265243456401561
oct35220152735710
97110802284726
102012220210120
1170641793959a
12285b94588320
131179a020b133
146d56b831168
1537520c4a8d0
hex1d481abbbc8

2012220210120 has 512 divisors, whose sum is σ = 6451576750080. Its totient is φ = 501456936960.

The previous prime is 2012220210107. The next prime is 2012220210139. The reversal of 2012220210120 is 210120222102.

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 2012220210120.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2358991614 + ... + 2358992466.

It is an arithmetic number, because the mean of its divisors is an integer number (12600735840).

Almost surely, 22012220210120 is an apocalyptic number.

2012220210120 is a gapful number since it is divisible by the number (20) 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 2012220210120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3225788375040).

2012220210120 is an abundant number, since it is smaller than the sum of its proper divisors (4439356539960).

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

2012220210120 is a wasteful number, since it uses less digits than its factorization.

2012220210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1161 counting only the distinct ones).

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

Adding to 2012220210120 its reverse (210120222102), we get a palindrome (2222340432222).

The spelling of 2012220210120 in words is "two trillion, twelve billion, two hundred twenty million, two hundred ten thousand, one hundred twenty".