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212220012332131 = 1811127487919183
BaseRepresentation
bin110000010000001101010010…
…011100110000010001100011
31000211102000221112201122121121
4300100031102130300101203
5210304003041124112011
62031204305555233111
762462250512312626
oct6020152234602143
91024360845648547
10212220012332131
1161690002440711
121b9757b08a8797
1391553520a277b
143a59709499dbd
1519804e22d8e71
hexc10352730463

212220012332131 has 8 divisors (see below), whose sum is σ = 212339092783104. Its totient is φ = 212100933978120.

The previous prime is 212220012332123. The next prime is 212220012332171. The reversal of 212220012332131 is 131233210022212.

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 212220012332131 - 23 = 212220012332123 is a prime.

It is a super-2 number, since 2×2122200123321312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212220012332096 and 212220012332105.

It is not an unprimeable number, because it can be changed into a prime (212220012332171) 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, 230419366 + ... + 231338548.

It is an arithmetic number, because the mean of its divisors is an integer number (26542386597888).

Almost surely, 2212220012332131 is an apocalyptic number.

212220012332131 is a deficient number, since it is larger than the sum of its proper divisors (119080450973).

212220012332131 is a wasteful number, since it uses less digits than its factorization.

212220012332131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048481.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212220012332131 its reverse (131233210022212), we get a palindrome (343453222354343).

The spelling of 212220012332131 in words is "two hundred twelve trillion, two hundred twenty billion, twelve million, three hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 1811 127487 919183 230878957 1664640413 117183883121 212220012332131