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2000021012000 = 255311373912157
BaseRepresentation
bin11101000110101010100…
…010101011111000100000
321002012101220101101000022
4131012222202223320200
5230232020334341000
64130444051213012
7264332246050364
oct35065242537040
97065356341008
102000021012000
117012277a2480
1228374aba7168
131167a7a102cb
146cb3159d2a4
1537059c7d585
hex1d1aa8abe20

2000021012000 has 192 divisors, whose sum is σ = 5362658421120. Its totient is φ = 727026048000.

The previous prime is 2000021011981. The next prime is 2000021012051. The reversal of 2000021012000 is 2101200002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164509922 + ... + 164522078.

It is an arithmetic number, because the mean of its divisors is an integer number (27930512610).

Almost surely, 22000021012000 is an apocalyptic number.

2000021012000 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 2000021012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2681329210560).

2000021012000 is an abundant number, since it is smaller than the sum of its proper divisors (3362637409120).

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

2000021012000 is a wasteful number, since it uses less digits than its factorization.

2000021012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15932 (or 15914 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 2000021012000 its reverse (2101200002), we get a palindrome (2002122212002).

The spelling of 2000021012000 in words is "two trillion, twenty-one million, twelve thousand".