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101012212012 = 22311381589873
BaseRepresentation
bin101111000010011001…
…1000000100100101100
3100122201201022001002111
41132010303000210230
53123333111241022
6114223202133404
710204114430635
oct1360463004454
9318651261074
10101012212012
113992583aa58
12176b0951264
1396aa43426a
144c6366a88c
15296302e477
hex1784cc092c

101012212012 has 24 divisors (see below), whose sum is σ = 182606114432. Its totient is φ = 48841401600.

The previous prime is 101012211983. The next prime is 101012212013. The reversal of 101012212012 is 210212210101.

It is a junction number, because it is equal to n+sod(n) for n = 101012211983 and 101012212001.

It is not an unprimeable number, because it can be changed into a prime (101012212013) 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, 123693 + ... + 466180.

Almost surely, 2101012212012 is an apocalyptic number.

It is an amenable number.

101012212012 is a deficient number, since it is larger than the sum of its proper divisors (81593902420).

101012212012 is a wasteful number, since it uses less digits than its factorization.

101012212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591289 (or 591287 counting only the distinct ones).

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

Adding to 101012212012 its reverse (210212210101), we get a palindrome (311224422113).

The spelling of 101012212012 in words is "one hundred one billion, twelve million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 31 62 124 1381 2762 5524 42811 85622 171244 589873 1179746 2359492 18286063 36572126 73144252 814614613 1629229226 3258458452 25253053003 50506106006 101012212012