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12002031212321 = 107112168516003
BaseRepresentation
bin1010111010100111000011…
…0011101001011100100001
31120111101100012011101021102
42232221300303221130201
53033120124442243241
641305353530004145
72346055344022223
oct256516063513441
946441305141242
1012002031212321
11390803a7aa777
12141a0a7b76655
13690a2c474977
142d6c89680413
1515c3013eb39b
hexaea70ce9721

12002031212321 has 4 divisors (see below), whose sum is σ = 12114199728432. Its totient is φ = 11889862696212.

The previous prime is 12002031212233. The next prime is 12002031212341. The reversal of 12002031212321 is 12321213020021.

12002031212321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12002031212321 - 222 = 12002027018017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002031212293 and 12002031212302.

It is not an unprimeable number, because it can be changed into a prime (12002031212341) 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, 56084257895 + ... + 56084258108.

It is an arithmetic number, because the mean of its divisors is an integer number (3028549932108).

Almost surely, 212002031212321 is an apocalyptic number.

It is an amenable number.

12002031212321 is a deficient number, since it is larger than the sum of its proper divisors (112168516111).

12002031212321 is a wasteful number, since it uses less digits than its factorization.

12002031212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112168516110.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12002031212321 its reverse (12321213020021), we get a palindrome (24323244232342).

The spelling of 12002031212321 in words is "twelve trillion, two billion, thirty-one million, two hundred twelve thousand, three hundred twenty-one".

Divisors: 1 107 112168516003 12002031212321