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1021002102212 = 221980391671133
BaseRepresentation
bin11101101101110000111…
…01111011010111000100
310121121101101120202112112
432312320131323113010
5113212003014232322
62101013014240152
7133523245450511
oct16667035732704
93547341522475
101021002102212
11364006084164
12145a63656058
1375384468461
14375b9866308
151b85a47b5e2
hexedb877b5c4

1021002102212 has 24 divisors (see below), whose sum is σ = 1881028430400. Its totient is φ = 483572124576.

The previous prime is 1021002102203. The next prime is 1021002102223. The reversal of 1021002102212 is 2122012001201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224603 + ... + 1446530.

It is an arithmetic number, because the mean of its divisors is an integer number (78376184600).

Almost surely, 21021002102212 is an apocalyptic number.

It is an amenable number.

1021002102212 is a deficient number, since it is larger than the sum of its proper divisors (860026328188).

1021002102212 is a wasteful number, since it uses less digits than its factorization.

1021002102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679195 (or 1679193 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021002102212 its reverse (2122012001201), we get a palindrome (3143014103413).

The spelling of 1021002102212 in words is "one trillion, twenty-one billion, two million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 8039 16078 32156 152741 305482 610964 1671133 3342266 6684532 31751527 63503054 127006108 13434238187 26868476374 53736952748 255250525553 510501051106 1021002102212