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1212213010 = 25296940829
BaseRepresentation
bin100100001000000…
…1110011100010010
310010110222210122011
41020100032130102
54440311304020
6320141533134
742016432501
oct11020163422
93113883564
101212213010
11572298638
12299b741aa
131641ac408
14b6dcc838
157164e35a
hex4840e712

1212213010 has 16 divisors (see below), whose sum is σ = 2182771800. Its totient is φ = 484710016.

The previous prime is 1212213007. The next prime is 1212213029. The reversal of 1212213010 is 103122121.

It can be written as a sum of positive squares in 4 ways, for example, as 983386881 + 228826129 = 31359^2 + 15127^2 .

It is a super-2 number, since 2×12122130102 = 2938920763226520200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9276 + ... + 50104.

Almost surely, 21212213010 is an apocalyptic number.

1212213010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212213010 is a deficient number, since it is larger than the sum of its proper divisors (970558790).

1212213010 is a wasteful number, since it uses less digits than its factorization.

1212213010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43805.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1212213010 is about 34816.8495128436. The cubic root of 1212213010 is about 1066.2514797991.

Adding to 1212213010 its reverse (103122121), we get a palindrome (1315335131).

The spelling of 1212213010 in words is "one billion, two hundred twelve million, two hundred thirteen thousand, ten".

Divisors: 1 2 5 10 2969 5938 14845 29690 40829 81658 204145 408290 121221301 242442602 606106505 1212213010