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12002013012000 = 2535311101900241
BaseRepresentation
bin1010111010100110111110…
…1110001110000000100000
31120111101021220220201010110
42232221233232032000200
53033120110312341000
641305352035531320
72346055033230114
oct256515756160040
946441256821113
1012002013012000
1139080304a9590
12141a0a1a59b40
13690a2877174b
142d6c870a3744
1515c2eea03850
hexaea6fb8e020

12002013012000 has 384 divisors, whose sum is σ = 43317743728896. Its totient is φ = 2880768000000.

The previous prime is 12002013011999. The next prime is 12002013012029. The reversal of 12002013012000 is 21031020021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12881880 + ... + 13782120.

It is an arithmetic number, because the mean of its divisors is an integer number (112806624294).

Almost surely, 212002013012000 is an apocalyptic number.

12002013012000 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 12002013012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21658871864448).

12002013012000 is an abundant number, since it is smaller than the sum of its proper divisors (31315730716896).

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

12002013012000 is a wasteful number, since it uses less digits than its factorization.

12002013012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900381 (or 900363 counting only the distinct ones).

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

Adding to 12002013012000 its reverse (21031020021), we get a palindrome (12023044032021).

The spelling of 12002013012000 in words is "twelve trillion, two billion, thirteen million, twelve thousand".