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121213303333 = 432939620867
BaseRepresentation
bin111000011100011100…
…0000011101000100101
3102120212120012210202221
41300320320003220211
53441221101201313
6131403513432341
711520531035623
oct1607070035045
9376776183687
10121213303333
1147451827951
121b5aa10b6b1
13b579688b35
145c1c53a513
15324676cc8d
hex1c38e03a25

121213303333 has 8 divisors (see below), whose sum is σ = 124455548448. Its totient is φ = 117990300624.

The previous prime is 121213303331. The next prime is 121213303339. The reversal of 121213303333 is 333303312121.

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 121213303333 - 21 = 121213303331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121213303298 and 121213303307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121213303331) 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, 4797835 + ... + 4823032.

It is an arithmetic number, because the mean of its divisors is an integer number (15556943556).

Almost surely, 2121213303333 is an apocalyptic number.

It is an amenable number.

121213303333 is a deficient number, since it is larger than the sum of its proper divisors (3242245115).

121213303333 is an equidigital number, since it uses as much as digits as its factorization.

121213303333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9621203.

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

Adding to 121213303333 its reverse (333303312121), we get a palindrome (454516615454).

The spelling of 121213303333 in words is "one hundred twenty-one billion, two hundred thirteen million, three hundred three thousand, three hundred thirty-three".

Divisors: 1 43 293 12599 9620867 413697281 2818914031 121213303333