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1220202112000 = 2105382711527
BaseRepresentation
bin10001110000011001101…
…101101010010000000000
311022122112222112201202211
4101300121231222100000
5124442433220041000
62332315245551504
7154104513551524
oct21603155522000
94278488481684
101220202112000
11430537310923
12178597275594
138b0abb09031
14430b55c1d84
1521b1857b7ba
hex11c19b6a400

1220202112000 has 176 divisors, whose sum is σ = 3048082697088. Its totient is φ = 487448371200.

The previous prime is 1220202111967. The next prime is 1220202112021. The reversal of 1220202112000 is 2112020221.

It is a happy 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, 105850237 + ... + 105861763.

It is an arithmetic number, because the mean of its divisors is an integer number (17318651688).

Almost surely, 21220202112000 is an apocalyptic number.

1220202112000 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 1220202112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524041348544).

1220202112000 is an abundant number, since it is smaller than the sum of its proper divisors (1827880585088).

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

1220202112000 is an equidigital number, since it uses as much as digits as its factorization.

1220202112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12389 (or 12361 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220202112000 its reverse (2112020221), we get a palindrome (1222314132221).

The spelling of 1220202112000 in words is "one trillion, two hundred twenty billion, two hundred two million, one hundred twelve thousand".