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1213124222214 = 232344571955939
BaseRepresentation
bin10001101001110011110…
…101101001110100000110
311021222021201020200021200
4101221303311221310012
5124333434300102324
62325145050123330
7153434230515402
oct21516365516406
94258251220250
101213124222214
11428534aa7533
12177140a20546
138a521631378
1442a0358c102
1521851ec8ec9
hex11a73d69d06

1213124222214 has 24 divisors (see below), whose sum is σ = 2628513440280. Its totient is φ = 404362798368.

The previous prime is 1213124222209. The next prime is 1213124222243. The reversal of 1213124222214 is 4122224213121.

1213124222214 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 12 + 422 + 221 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357744 + ... + 1598195.

It is an arithmetic number, because the mean of its divisors is an integer number (109521393345).

Almost surely, 21213124222214 is an apocalyptic number.

1213124222214 is an abundant number, since it is smaller than the sum of its proper divisors (1415389218066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213124222214 is a wasteful number, since it uses less digits than its factorization.

1213124222214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990404 (or 1990401 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 1213124222214 its reverse (4122224213121), we get a palindrome (5335348435335).

The spelling of 1213124222214 in words is "one trillion, two hundred thirteen billion, one hundred twenty-four million, two hundred twenty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 34457 68914 103371 206742 310113 620226 1955939 3911878 5867817 11735634 17603451 35206902 67395790123 134791580246 202187370369 404374740738 606562111107 1213124222214