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1020212012 = 222316216841
BaseRepresentation
bin111100110011110…
…011001100101100
32122002201010210002
4330303303030230
54042133241022
6245122403432
734165442021
oct7463631454
92562633702
101020212012
11483979426
12245800578
13133495c61
14996cd548
155e875092
hex3ccf332c

1020212012 has 24 divisors (see below), whose sum is σ = 1864417632. Its totient is φ = 487555200.

The previous prime is 1020211991. The next prime is 1020212029. The reversal of 1020212012 is 2102120201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020211984 and 1020212002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145712 + ... + 152552.

It is an arithmetic number, because the mean of its divisors is an integer number (77684068).

Almost surely, 21020212012 is an apocalyptic number.

It is an amenable number.

1020212012 is a deficient number, since it is larger than the sum of its proper divisors (844205620).

1020212012 is a wasteful number, since it uses less digits than its factorization.

1020212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8489 (or 8487 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1020212012 is about 31940.7578494938. The cubic root of 1020212012 is about 1006.6924485500.

Adding to 1020212012 its reverse (2102120201), we get a palindrome (3122332213).

The spelling of 1020212012 in words is "one billion, twenty million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 23 46 92 1621 3242 6484 6841 13682 27364 37283 74566 149132 157343 314686 629372 11089261 22178522 44357044 255053003 510106006 1020212012