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121301211301 = 196384274279
BaseRepresentation
bin111000011111000011…
…1011001100010100101
3102121002200121222211121
41300332013121202211
53441411102230201
6131420333533541
711522646166234
oct1607607314245
9377080558747
10121301211301
114749740a466
121b6136442b1
13b59195779a
145c2a0a0b1b
15324e3349a1
hex1c3e1d98a5

121301211301 has 4 divisors (see below), whose sum is σ = 127685485600. Its totient is φ = 114916937004.

The previous prime is 121301211271. The next prime is 121301211359. The reversal of 121301211301 is 103112103121.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 103112103121 = 131787115291.

It is a cyclic number.

It is not a de Polignac number, because 121301211301 - 213 = 121301203109 is a prime.

It is a super-2 number, since 2×1213012113012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301218301) 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, 3192137121 + ... + 3192137158.

It is an arithmetic number, because the mean of its divisors is an integer number (31921371400).

Almost surely, 2121301211301 is an apocalyptic number.

It is an amenable number.

121301211301 is a deficient number, since it is larger than the sum of its proper divisors (6384274299).

121301211301 is an equidigital number, since it uses as much as digits as its factorization.

121301211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384274298.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121301211301 its reverse (103112103121), we get a palindrome (224413314422).

The spelling of 121301211301 in words is "one hundred twenty-one billion, three hundred one million, two hundred eleven thousand, three hundred one".

Divisors: 1 19 6384274279 121301211301