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121230313333 = 196380542807
BaseRepresentation
bin111000011100111100…
…0111100011101110101
3102120220202020000002221
41300321320330131311
53441234430011313
6131405322202341
711521125442513
oct1607170743565
9376822200087
10121230313333
11474603957a8
121b5b39533b1
13b58006331c
145c208c74b3
153247eccc8d
hex1c39e3c775

121230313333 has 4 divisors (see below), whose sum is σ = 127610856160. Its totient is φ = 114849770508.

The previous prime is 121230313327. The next prime is 121230313349. The reversal of 121230313333 is 333313032121.

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 a de Polignac number, because none of the positive numbers 2k-121230313333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121230313298 and 121230313307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121236313333) 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, 3190271385 + ... + 3190271422.

It is an arithmetic number, because the mean of its divisors is an integer number (31902714040).

Almost surely, 2121230313333 is an apocalyptic number.

It is an amenable number.

121230313333 is a deficient number, since it is larger than the sum of its proper divisors (6380542827).

121230313333 is an equidigital number, since it uses as much as digits as its factorization.

121230313333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380542826.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 121230313333 its reverse (333313032121), we get a palindrome (454543345454).

The spelling of 121230313333 in words is "one hundred twenty-one billion, two hundred thirty million, three hundred thirteen thousand, three hundred thirty-three".

Divisors: 1 19 6380542807 121230313333