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212012332001 = 2912975636677
BaseRepresentation
bin1100010101110011101…
…0110111001111100001
3202021020111121101011122
43011130322313033201
511433200124111001
6241221440022025
721213602042051
oct3053472671741
9667214541148
10212012332001
1181a06486008
123510a601915
1316cb9bb0b32
14a3935cd561
1557acd2db1b
hex315ceb73e1

212012332001 has 8 divisors (see below), whose sum is σ = 219492241320. Its totient is φ = 204543698688.

The previous prime is 212012331989. The next prime is 212012332009. The reversal of 212012332001 is 100233210212.

It can be written as a sum of positive squares in 4 ways, for example, as 127842717601 + 84169614400 = 357551^2 + 290120^2 .

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 212012332001 - 210 = 212012330977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012332009) 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, 2780726 + ... + 2855951.

It is an arithmetic number, because the mean of its divisors is an integer number (27436530165).

Almost surely, 2212012332001 is an apocalyptic number.

It is an amenable number.

212012332001 is a deficient number, since it is larger than the sum of its proper divisors (7479909319).

212012332001 is a wasteful number, since it uses less digits than its factorization.

212012332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638003.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212012332001 its reverse (100233210212), we get a palindrome (312245542213).

The spelling of 212012332001 in words is "two hundred twelve billion, twelve million, three hundred thirty-two thousand, one".

Divisors: 1 29 1297 37613 5636677 163463633 7310770069 212012332001