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2120210120000 = 2654731723887
BaseRepresentation
bin11110110110100110010…
…111101111110101000000
321111200122002101122220202
4132312212113233311000
5234214142242320000
64302002221024332
7306115532444150
oct36664627576500
97450562348822
102120210120000
117481a33801a5
122a2ab20b50a8
13124c2013a0ab
1474893a90760
153a24163add5
hex1eda65efd40

2120210120000 has 280 divisors, whose sum is σ = 6027700318464. Its totient is φ = 724605696000.

The previous prime is 2120210119981. The next prime is 2120210120059. The reversal of 2120210120000 is 210120212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (280).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 88748057 + ... + 88771943.

Almost surely, 22120210120000 is an apocalyptic number.

2120210120000 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 2120210120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3013850159232).

2120210120000 is an abundant number, since it is smaller than the sum of its proper divisors (3907490198464).

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

2120210120000 is an equidigital number, since it uses as much as digits as its factorization.

2120210120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24243 (or 24218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2120210120000 its reverse (210120212), we get a palindrome (2120420240212).

The spelling of 2120210120000 in words is "two trillion, one hundred twenty billion, two hundred ten million, one hundred twenty thousand".