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1001012212 = 2241101223271
BaseRepresentation
bin111011101010100…
…011101111110100
32120202120200121101
4323222203233310
54022224342322
6243155055444
733543314644
oct7352435764
92522520541
101001012212
11474055322
1223b2a1584
1312c502b25
1496d32524
155cd31327
hex3baa3bf4

1001012212 has 48 divisors (see below), whose sum is σ = 1827108864. Its totient is φ = 479520000.

The previous prime is 1001012203. The next prime is 1001012237. The reversal of 1001012212 is 2122101001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3693637 + ... + 3693907.

It is an arithmetic number, because the mean of its divisors is an integer number (38064768).

Almost surely, 21001012212 is an apocalyptic number.

It is an amenable number.

1001012212 is a deficient number, since it is larger than the sum of its proper divisors (826096652).

1001012212 is a wasteful number, since it uses less digits than its factorization.

1001012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1001012212 is about 31638.7770307261. Note that the first 3 decimals coincide. The cubic root of 1001012212 is about 1000.3372902225.

Adding to 1001012212 its reverse (2122101001), we get a palindrome (3123113213).

It can be divided in two parts, 10010 and 12212, that added together give a palindrome (22222).

The spelling of 1001012212 in words is "one billion, one million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 41 82 101 164 202 223 271 404 446 542 892 1084 4141 8282 9143 11111 16564 18286 22222 22523 27371 36572 44444 45046 54742 60433 90092 109484 120866 241732 923443 1122211 1846886 2244422 2477753 3693772 4488844 4955506 6103733 9911012 12207466 24414932 250253053 500506106 1001012212