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212021121333 = 3710096243873
BaseRepresentation
bin1100010101110101110…
…0011001000100110101
3202021021010010220212110
43011131130121010311
511433204401340313
6241222352241233
721214036536660
oct3053534310465
9667233126773
10212021121333
1181a1043961a
1235111540219
1316cbb96a618
14a39483a6d7
1557ad9b7ec3
hex315d719135

212021121333 has 8 divisors (see below), whose sum is σ = 323079803968. Its totient is φ = 121154926464.

The previous prime is 212021121331. The next prime is 212021121343. The reversal of 212021121333 is 333121120212.

Adding to 212021121333 its reverse (333121120212), we get a palindrome (545142241545).

212021121333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212021121333 - 21 = 212021121331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10096243873 = 212021121333 / (2 + 1 + 2 + 0 + 2 + 1 + 1 + 2 + 1 + 3 + 3 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021121331) 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, 5048121916 + ... + 5048121957.

It is an arithmetic number, because the mean of its divisors is an integer number (40384975496).

Almost surely, 2212021121333 is an apocalyptic number.

It is an amenable number.

212021121333 is a deficient number, since it is larger than the sum of its proper divisors (111058682635).

212021121333 is a wasteful number, since it uses less digits than its factorization.

212021121333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096243883.

The product of its (nonzero) digits is 432, while the sum is 21.

The spelling of 212021121333 in words is "two hundred twelve billion, twenty-one million, one hundred twenty-one thousand, three hundred thirty-three".

Divisors: 1 3 7 21 10096243873 30288731619 70673707111 212021121333