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12411213112 = 238111912949
BaseRepresentation
bin10111000111100010…
…00001010100111000
31012000221212221200201
423203301001110320
5200404232304422
65411315211544
7616363366534
oct134361012470
935027787621
1012411213112
115299896121
1224a45a6bb4
13122a400bac
1485a4a0bc4
154c98eb727
hex2e3c41538

12411213112 has 16 divisors (see below), whose sum is σ = 23299731000. Its totient is φ = 6197951520.

The previous prime is 12411213091. The next prime is 12411213119. The reversal of 12411213112 is 21131211421.

It is a super-2 number, since 2×124112131122 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12411213112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12411213119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949987 + ... + 962962.

Almost surely, 212411213112 is an apocalyptic number.

It is an amenable number.

12411213112 is a deficient number, since it is larger than the sum of its proper divisors (10888517888).

12411213112 is a wasteful number, since it uses less digits than its factorization.

12411213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913766 (or 1913762 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

Adding to 12411213112 its reverse (21131211421), we get a palindrome (33542424533).

The spelling of 12411213112 in words is "twelve billion, four hundred eleven million, two hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 811 1622 3244 6488 1912949 3825898 7651796 15303592 1551401639 3102803278 6205606556 12411213112