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101210122012 = 22672333161873
BaseRepresentation
bin101111001000010010…
…1111110011100011100
3100200020111200220120111
41132100211332130130
53124234242401022
6114254552055404
710212036562006
oct1362045763434
9320214626514
10101210122012
1139a1752573a
1217747094564
13970c43917c
144c81a67376
1529755c4477
hex179097e71c

101210122012 has 24 divisors (see below), whose sum is σ = 179839424016. Its totient is φ = 49828086528.

The previous prime is 101210122009. The next prime is 101210122019. The reversal of 101210122012 is 210221012101.

It is a junction number, because it is equal to n+sod(n) for n = 101210121983 and 101210122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210122019) 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, 544308 + ... + 706180.

It is an arithmetic number, because the mean of its divisors is an integer number (7493309334).

Almost surely, 2101210122012 is an apocalyptic number.

It is an amenable number.

101210122012 is a deficient number, since it is larger than the sum of its proper divisors (78629302004).

101210122012 is a wasteful number, since it uses less digits than its factorization.

101210122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164277 (or 164275 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101210122012 its reverse (210221012101), we get a palindrome (311431134113).

The spelling of 101210122012 in words is "one hundred one billion, two hundred ten million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 4 67 134 268 2333 4666 9332 156311 161873 312622 323746 625244 647492 10845491 21690982 43381964 377649709 755299418 1510598836 25302530503 50605061006 101210122012