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10212130003121 = 19153466649231
BaseRepresentation
bin1001010010011011001001…
…1000011001100010110001
31100011021021220020221102122
42110212302120121202301
52314303420240044441
633415215431124025
72102542046541014
oct224466230314261
940137256227378
1010212130003121
113287a38180092
12118b219813615
13590ccc529227
142743ac1cd37b
1512a99326734b
hex949b26198b1

10212130003121 has 4 divisors (see below), whose sum is σ = 10265596652544. Its totient is φ = 10158663353700.

The previous prime is 10212130003111. The next prime is 10212130003147. The reversal of 10212130003121 is 12130003121201.

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 10212130003121 - 222 = 10212125808817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212130003121.

It is not an unprimeable number, because it can be changed into a prime (10212130003111) 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, 26733324425 + ... + 26733324806.

It is an arithmetic number, because the mean of its divisors is an integer number (2566399163136).

Almost surely, 210212130003121 is an apocalyptic number.

It is an amenable number.

10212130003121 is a deficient number, since it is larger than the sum of its proper divisors (53466649423).

10212130003121 is an equidigital number, since it uses as much as digits as its factorization.

10212130003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53466649422.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10212130003121 its reverse (12130003121201), we get a palindrome (22342133124322).

The spelling of 10212130003121 in words is "ten trillion, two hundred twelve billion, one hundred thirty million, three thousand, one hundred twenty-one".

Divisors: 1 191 53466649231 10212130003121