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212442012001 = 43163199152311
BaseRepresentation
bin1100010111011010000…
…1111101100101100001
3202022100110010101022201
43011312201331211201
511440040123341001
6241332225333201
721230340210322
oct3056641754541
9668313111281
10212442012001
1182106a82a4a
123520a497201
1317057c1485b
14a3d46bc449
1557d5906501
hex317687d961

212442012001 has 16 divisors (see below), whose sum is σ = 219816678400. Its totient is φ = 205190813520.

The previous prime is 212442011993. The next prime is 212442012007. The reversal of 212442012001 is 100210244212.

It is a cyclic number.

It is not a de Polignac number, because 212442012001 - 23 = 212442011993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212442012001.

It is not an unprimeable number, because it can be changed into a prime (212442012007) 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, 1318636 + ... + 1470946.

It is an arithmetic number, because the mean of its divisors is an integer number (13738542400).

Almost surely, 2212442012001 is an apocalyptic number.

It is an amenable number.

212442012001 is a deficient number, since it is larger than the sum of its proper divisors (7374666399).

212442012001 is a wasteful number, since it uses less digits than its factorization.

212442012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152716.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212442012001 its reverse (100210244212), we get a palindrome (312652256213).

The spelling of 212442012001 in words is "two hundred twelve billion, four hundred forty-two million, twelve thousand, one".

Divisors: 1 43 163 199 7009 8557 32437 152311 1394791 6549373 24826693 30309889 1067547799 1303325227 4940511907 212442012001