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12001320020030 = 251123731511572741
BaseRepresentation
bin1010111010100100011001…
…1010101010100000111110
31120111022111121221001212012
42232221012122222200332
53033112200411120110
641305155202411222
72346031620004265
oct256510632524076
946438447831765
1012001320020030
113907805306450
121419b29960b12
13690948017123
142d6c1d0315dc
1515c2adc67905
hexaea466aa83e

12001320020030 has 256 divisors, whose sum is σ = 25261831729152. Its totient is φ = 4062389760000.

The previous prime is 12001320020023. The next prime is 12001320020051. The reversal of 12001320020030 is 3002002310021.

It is a happy number.

12001320020030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12001320019987 and 12001320020014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4378444460 + ... + 4378447200.

It is an arithmetic number, because the mean of its divisors is an integer number (98679030192).

Almost surely, 212001320020030 is an apocalyptic number.

12001320020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001320020030 is an abundant number, since it is smaller than the sum of its proper divisors (13260511709122).

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

12001320020030 is a wasteful number, since it uses less digits than its factorization.

12001320020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12001320020030 its reverse (3002002310021), we get a palindrome (15003322330051).

The spelling of 12001320020030 in words is "twelve trillion, one billion, three hundred twenty million, twenty thousand, thirty".