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212021202202213 = 10916712211953861
BaseRepresentation
bin110000001101010100001000…
…011100010010111001100101
31000210201000210010101122000111
4300031110020130102321211
5210242223410230432323
62030533110132213021
762442012020143615
oct6015241034227145
91023630703348014
10212021202202213
1161613761297518
121b94316776a171
13913c68a43c041
143a4dc4942ca45
15197a25854dc0d
hexc0d508712e65

212021202202213 has 16 divisors (see below), whose sum is σ = 215265439509120. Its totient is φ = 208800793396800.

The previous prime is 212021202202171. The next prime is 212021202202279. The reversal of 212021202202213 is 312202202120212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212021202202213 - 217 = 212021202071141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021202202283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221799903 + ... + 222753763.

It is an arithmetic number, because the mean of its divisors is an integer number (13454089969320).

Almost surely, 2212021202202213 is an apocalyptic number.

It is an amenable number.

212021202202213 is a deficient number, since it is larger than the sum of its proper divisors (3244237306907).

212021202202213 is a wasteful number, since it uses less digits than its factorization.

212021202202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966348.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212021202202213 its reverse (312202202120212), we get a palindrome (524223404322425).

The spelling of 212021202202213 in words is "two hundred twelve trillion, twenty-one billion, two hundred two million, two hundred two thousand, two hundred thirteen".

Divisors: 1 109 167 12211 18203 953861 1330999 2039237 103970849 159294787 222276833 11647596671 17363131783 1269588037139 1945148644057 212021202202213