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12001020000011 = 71714431428573
BaseRepresentation
bin1010111010100011010010…
…0010001011011100001011
31120111021201201101110202122
42232220310202023130023
53033111042110000021
641305105324121455
72346021314612330
oct256506442133413
946437651343678
1012001020000011
113907670a18a19
121419a6539628b
136908cab101a3
142d6bd1254987
1515c292752bab
hexaea3488b70b

12001020000011 has 4 divisors (see below), whose sum is σ = 13715451428592. Its totient is φ = 10286588571432.

The previous prime is 12001019999939. The next prime is 12001020000037. The reversal of 12001020000011 is 11000002010021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12001020000011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001020000091) 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, 857215714280 + ... + 857215714293.

It is an arithmetic number, because the mean of its divisors is an integer number (3428862857148).

Almost surely, 212001020000011 is an apocalyptic number.

12001020000011 is a deficient number, since it is larger than the sum of its proper divisors (1714431428581).

12001020000011 is an equidigital number, since it uses as much as digits as its factorization.

12001020000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714431428580.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12001020000011 its reverse (11000002010021), we get a palindrome (23001022010032).

The spelling of 12001020000011 in words is "twelve trillion, one billion, twenty million, eleven", and thus it is an aban number and an uban number.

Divisors: 1 7 1714431428573 12001020000011