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121232013313 = 7910331485559
BaseRepresentation
bin111000011100111111…
…1011011100000000001
3102120220212102101001011
41300321333123200001
53441240343411223
6131405422440521
711521146052645
oct1607177334001
9376825371034
10121232013313
1147461346a44
121b5b4433141
13b58050a028
145c20c0ac25
15324821680d
hex1c39fdb801

121232013313 has 8 divisors (see below), whose sum is σ = 122885523200. Its totient is φ = 119581476768.

The previous prime is 121232013307. The next prime is 121232013421. The reversal of 121232013313 is 313310232121.

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 121232013313 - 221 = 121229916161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121232013713) 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 7 ways as a sum of consecutive naturals, for example, 661173 + ... + 824386.

It is an arithmetic number, because the mean of its divisors is an integer number (15360690400).

Almost surely, 2121232013313 is an apocalyptic number.

It is an amenable number.

121232013313 is a deficient number, since it is larger than the sum of its proper divisors (1653509887).

121232013313 is a wasteful number, since it uses less digits than its factorization.

121232013313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486671.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121232013313 its reverse (313310232121), we get a palindrome (434542245434).

The spelling of 121232013313 in words is "one hundred twenty-one billion, two hundred thirty-two million, thirteen thousand, three hundred thirteen".

Divisors: 1 79 1033 81607 1485559 117359161 1534582447 121232013313