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212001200010012 = 22375634482813161
BaseRepresentation
bin110000001101000001100000…
…001101111111001100011100
31000210122010011010201222122010
4300031001200031333030130
5210241411424200310022
62030520001243551220
762440403240256510
oct6015014015771434
91023563133658563
10212001200010012
1161606227600466
121b93b304b2b510
13913a82047765a
143a4ccacb36140
1519799874ed50c
hexc0d06037f31c

212001200010012 has 48 divisors (see below), whose sum is σ = 566340683634432. Its totient is φ = 60464183902080.

The previous prime is 212001200009957. The next prime is 212001200010013. The reversal of 212001200010012 is 210010002100212.

It is a super-2 number, since 2×2120012000100122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 212001200010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001200010013) 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, 2241359289 + ... + 2241453872.

It is an arithmetic number, because the mean of its divisors is an integer number (11798764242384).

Almost surely, 2212001200010012 is an apocalyptic number.

It is an amenable number.

212001200010012 is an abundant number, since it is smaller than the sum of its proper divisors (354339483624420).

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

212001200010012 is a wasteful number, since it uses less digits than its factorization.

212001200010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482813738 (or 4482813736 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212001200010012 its reverse (210010002100212), we get a palindrome (422011202110224).

The spelling of 212001200010012 in words is "two hundred twelve trillion, one billion, two hundred million, ten thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 563 1126 1689 2252 3378 3941 6756 7882 11823 15764 23646 47292 4482813161 8965626322 13448439483 17931252644 26896878966 31379692127 53793757932 62759384254 94139076381 125518768508 188278152762 376556305524 2523823809643 5047647619286 7571471428929 10095295238572 15142942857858 17666766667501 30285885715716 35333533335002 53000300002503 70667066670004 106000600005006 212001200010012