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12020001300001 = 83631437283427
BaseRepresentation
bin1010111011101001111111…
…1010000101111000100001
31120120002201120001102022101
42232322133322011320201
53033413430313100001
641321525023210401
72350262560162342
oct256723772057041
946502646042271
1012020001300001
113914721411602
121421682146a01
13692634431146
142d7ab21220c9
1515ca03d46a01
hexaee9fe85e21

12020001300001 has 4 divisors (see below), whose sum is σ = 12021438591792. Its totient is φ = 12018564008212.

The previous prime is 12020001299981. The next prime is 12020001300103. The reversal of 12020001300001 is 10000310002021.

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 a de Polignac number, because none of the positive numbers 2k-12020001300001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020001300401) 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, 718633351 + ... + 718650076.

It is an arithmetic number, because the mean of its divisors is an integer number (3005359647948).

Almost surely, 212020001300001 is an apocalyptic number.

It is an amenable number.

12020001300001 is a deficient number, since it is larger than the sum of its proper divisors (1437291791).

12020001300001 is an equidigital number, since it uses as much as digits as its factorization.

12020001300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437291790.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12020001300001 its reverse (10000310002021), we get a palindrome (22020311302022).

The spelling of 12020001300001 in words is "twelve trillion, twenty billion, one million, three hundred thousand, one".

Divisors: 1 8363 1437283427 12020001300001