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121301130013 = 7171019337227
BaseRepresentation
bin111000011111000011…
…1000101101100011101
3102121002200110212022221
41300332013011230131
53441411042130023
6131420332105341
711522645410240
oct1607607055435
9377080425287
10121301130013
1147497364388
121b613605251
13b59192979b
145c2a07d257
15324e31a85d
hex1c3e1c5b1d

121301130013 has 8 divisors (see below), whose sum is σ = 146784560832. Its totient is φ = 97856373696.

The previous prime is 121301130011. The next prime is 121301130017. The reversal of 121301130013 is 310031103121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121301130013 - 21 = 121301130011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301130011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509668495 + ... + 509668732.

It is an arithmetic number, because the mean of its divisors is an integer number (18348070104).

Almost surely, 2121301130013 is an apocalyptic number.

It is an amenable number.

121301130013 is a deficient number, since it is larger than the sum of its proper divisors (25483430819).

121301130013 is a wasteful number, since it uses less digits than its factorization.

121301130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019337251.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 121301130013 its reverse (310031103121), we get a palindrome (431332233134).

The spelling of 121301130013 in words is "one hundred twenty-one billion, three hundred one million, one hundred thirty thousand, thirteen".

Divisors: 1 7 17 119 1019337227 7135360589 17328732859 121301130013