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12002011203103 = 31387161651713
BaseRepresentation
bin1010111010100110111110…
…0111010100011000011111
31120111101021210111210210021
42232221233213110120133
53033120104331444403
641305351533053011
72346055011654265
oct256515747243037
946441253453707
1012002011203103
11390802a483529
12141a0a1327167
13690a2828a2ac
142d6c86b52435
1515c2ee7978bd
hexaea6f9d461f

12002011203103 has 4 divisors (see below), whose sum is σ = 12389172854848. Its totient is φ = 11614849551360.

The previous prime is 12002011203047. The next prime is 12002011203109. The reversal of 12002011203103 is 30130211020021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12002011203103 - 217 = 12002011072031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002011203109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193580825826 + ... + 193580825887.

It is an arithmetic number, because the mean of its divisors is an integer number (3097293213712).

Almost surely, 212002011203103 is an apocalyptic number.

12002011203103 is a deficient number, since it is larger than the sum of its proper divisors (387161651745).

12002011203103 is an equidigital number, since it uses as much as digits as its factorization.

12002011203103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387161651744.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12002011203103 its reverse (30130211020021), we get a palindrome (42132222223124).

The spelling of 12002011203103 in words is "twelve trillion, two billion, eleven million, two hundred three thousand, one hundred three".

Divisors: 1 31 387161651713 12002011203103