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2120210012000 = 2553172310912437
BaseRepresentation
bin11110110110100110010…
…111010101011101100000
321111200122002012011202202
4132312212113111131200
5234214142230341000
64302002214432332
7306115531514243
oct36664627253540
97450562164682
102120210012000
117481a3307043
122a2ab20626a8
13124c200ccba2
1474893a6325a
153a241618dd5
hex1eda65d5760

2120210012000 has 384 divisors, whose sum is σ = 5808876353280. Its totient is φ = 756427161600.

The previous prime is 2120210011999. The next prime is 2120210012057. The reversal of 2120210012000 is 2100120212.

It is a happy number.

It is a congruent number.

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, 170469782 + ... + 170482218.

It is an arithmetic number, because the mean of its divisors is an integer number (15127282170).

Almost surely, 22120210012000 is an apocalyptic number.

2120210012000 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 2120210012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2904438176640).

2120210012000 is an abundant number, since it is smaller than the sum of its proper divisors (3688666341280).

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

2120210012000 is a wasteful number, since it uses less digits than its factorization.

2120210012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12611 (or 12593 counting only the distinct ones).

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

Adding to 2120210012000 its reverse (2100120212), we get a palindrome (2122310132212).

The spelling of 2120210012000 in words is "two trillion, one hundred twenty billion, two hundred ten million, twelve thousand".