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212010021012210 = 2359677308170321
BaseRepresentation
bin110000001101001001101101…
…111111011100001011110010
31000210122221220220000022211020
4300031021231333130023302
5210242033010334342320
62030524020432400310
762441134650455211
oct6015115577341362
91023587826008736
10212010021012210
1161609a43853a23
121b940b670a6096
13913b5c7b14c95
143a4d4a8475078
151979d01b1d940
hexc0d26dfdc2f2

212010021012210 has 32 divisors (see below), whose sum is σ = 509350238762112. Its totient is φ = 56477540232960.

The previous prime is 212010021012169. The next prime is 212010021012221. The reversal of 212010021012210 is 12210120010212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212010021012210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3654056151 + ... + 3654114170.

It is an arithmetic number, because the mean of its divisors is an integer number (15917194961316).

Almost surely, 2212010021012210 is an apocalyptic number.

212010021012210 is an abundant number, since it is smaller than the sum of its proper divisors (297340217749902).

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

212010021012210 is a wasteful number, since it uses less digits than its factorization.

212010021012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308171298.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212010021012210 its reverse (12210120010212), we get a palindrome (224220141022422).

The spelling of 212010021012210 in words is "two hundred twelve trillion, ten billion, twenty-one million, twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 967 1934 2901 4835 5802 9670 14505 29010 7308170321 14616340642 21924510963 36540851605 43849021926 73081703210 109622554815 219245109630 7067000700407 14134001400814 21201002101221 35335003502035 42402004202442 70670007004070 106005010506105 212010021012210