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10212001012001 = 10399982017599
BaseRepresentation
bin1001010010011010101010…
…1100010101100100100001
31100011020221220112111212202
42110212222230111210201
52314303134224341001
633415154542302545
72102535622251425
oct224465254254441
940136856474782
1010212001012001
113287981388158
12118b1a2587a55
13590cab8a4a19
14274399012b85
1512a986c8796b
hex949aab15921

10212001012001 has 4 divisors (see below), whose sum is σ = 10212983040000. Its totient is φ = 10211018984004.

The previous prime is 10212001011959. The next prime is 10212001012007. The reversal of 10212001012001 is 10021010021201.

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 10212001012001 - 26 = 10212001011937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212001012007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490998401 + ... + 491019198.

It is an arithmetic number, because the mean of its divisors is an integer number (2553245760000).

Almost surely, 210212001012001 is an apocalyptic number.

It is an amenable number.

10212001012001 is a deficient number, since it is larger than the sum of its proper divisors (982027999).

10212001012001 is an equidigital number, since it uses as much as digits as its factorization.

10212001012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982027998.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10212001012001 its reverse (10021010021201), we get a palindrome (20233011033202).

The spelling of 10212001012001 in words is "ten trillion, two hundred twelve billion, one million, twelve thousand, one".

Divisors: 1 10399 982017599 10212001012001