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1222202112000 = 2113538917881
BaseRepresentation
bin10001110010010000111…
…011000011100000000000
311022211201100220020222220
4101302100323003200000
5130011032220041000
62333245532531040
7154205210353362
oct21622073034000
94284640806886
101222202112000
11431373258491
12178a55020a80
138b33a28339c
144322507ad32
1521bd3e3e1a0
hex11c90ec3800

1222202112000 has 384 divisors, whose sum is σ = 4112416526400. Its totient is φ = 322240512000.

The previous prime is 1222202111941. The next prime is 1222202112023. The reversal of 1222202112000 is 2112022221.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68343060 + ... + 68360940.

Almost surely, 21222202112000 is an apocalyptic number.

1222202112000 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 1222202112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2056208263200).

1222202112000 is an abundant number, since it is smaller than the sum of its proper divisors (2890214414400).

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

1222202112000 is an equidigital number, since it uses as much as digits as its factorization.

1222202112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18010 (or 17980 counting only the distinct ones).

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

Adding to 1222202112000 its reverse (2112022221), we get a palindrome (1224314134221).

The spelling of 1222202112000 in words is "one trillion, two hundred twenty-two billion, two hundred two million, one hundred twelve thousand".