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12002102000000 = 2756717211239
BaseRepresentation
bin1010111010100111010100…
…0001101011100110000000
31120111101112010100202201022
42232221311001223212000
53033120301103000000
641305404535125012
72346060163506260
oct256516501534600
946441463322638
1012002102000000
113908076759592
12141a107813768
13690a4102ab78
142d6c94c297a0
1515c307730585
hexaea7506b980

12002102000000 has 896 divisors, whose sum is σ = 36490032921600. Its totient is φ = 3838464000000.

The previous prime is 12002101999999. The next prime is 12002102000033. The reversal of 12002102000000 is 20120021.

It is a tau number, because it is divible by the number of its divisors (896).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 50217999881 + ... + 50218000119.

Almost surely, 212002102000000 is an apocalyptic number.

12002102000000 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 12002102000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18245016460800).

12002102000000 is an abundant number, since it is smaller than the sum of its proper divisors (24487930921600).

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

12002102000000 is an frugal number, since it uses more digits than its factorization.

12002102000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 481 counting only the distinct ones).

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

Adding to 12002102000000 its reverse (20120021), we get a palindrome (12002122120021).

The spelling of 12002102000000 in words is "twelve trillion, two billion, one hundred two million", and thus it is an aban number.