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121334441033 = 139333418541
BaseRepresentation
bin111000100000000011…
…0001010010001001001
3102121012000011020110102
41301000012022101021
53441443104103113
6131423522055145
711523531506021
oct1610006122111
9377160136412
10121334441033
1147504146453
121b6227aa4b5
13b5987c0850
145c30670a81
1532521ea758
hex1c4018a449

121334441033 has 4 divisors (see below), whose sum is σ = 130667859588. Its totient is φ = 112001022480.

The previous prime is 121334440957. The next prime is 121334441087. The reversal of 121334441033 is 330144433121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330144433121 = 683483373987.

It can be written as a sum of positive squares in 2 ways, for example, as 67302368329 + 54032072704 = 259427^2 + 232448^2 .

It is a cyclic number.

It is not a de Polignac number, because 121334441033 - 220 = 121333392457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121334440987 and 121334441005.

It is not an unprimeable number, because it can be changed into a prime (121334440033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4666709258 + ... + 4666709283.

It is an arithmetic number, because the mean of its divisors is an integer number (32666964897).

Almost surely, 2121334441033 is an apocalyptic number.

121334441033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121334441033 is a deficient number, since it is larger than the sum of its proper divisors (9333418555).

121334441033 is an equidigital number, since it uses as much as digits as its factorization.

121334441033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9333418554.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 121334441033 its reverse (330144433121), we get a palindrome (451478874154).

The spelling of 121334441033 in words is "one hundred twenty-one billion, three hundred thirty-four million, four hundred forty-one thousand, thirty-three".

Divisors: 1 13 9333418541 121334441033