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20211030012000 = 253539397179233
BaseRepresentation
bin1001001100001101111110…
…10000111011000001100000
32122120011012102122212010010
410212012333100323001200
510122114142140341000
6110552452523404520
74154125110360162
oct446067720730140
978504172585103
1020211030012000
1164924a45a5533
122325049083740
13b37b79807b19
144dc30d1c2932
15250b06826d50
hex1261bf43b060

20211030012000 has 192 divisors, whose sum is σ = 66218749781184. Its totient is φ = 5389004390400.

The previous prime is 20211030011993. The next prime is 20211030012011. The reversal of 20211030012000 is 21003011202.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 112674384 + ... + 112853616.

It is an arithmetic number, because the mean of its divisors is an integer number (344889321777).

Almost surely, 220211030012000 is an apocalyptic number.

20211030012000 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 20211030012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33109374890592).

20211030012000 is an abundant number, since it is smaller than the sum of its proper divisors (46007719769184).

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

20211030012000 is a wasteful number, since it uses less digits than its factorization.

20211030012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188658 (or 188640 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20211030012000 its reverse (21003011202), we get a palindrome (20232033023202).

The spelling of 20211030012000 in words is "twenty trillion, two hundred eleven billion, thirty million, twelve thousand".