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12041420131 = 13926263087
BaseRepresentation
bin10110011011011100…
…10111110101100011
31011002012001112002101
423031232113311203
5144130100421011
65310505231231
7604253245066
oct131556276543
934065045071
1012041420131
11511a082194
122400792517
13119b907890
148233208dd
154a72032c1
hex2cdb97d63

12041420131 has 4 divisors (see below), whose sum is σ = 12967683232. Its totient is φ = 11115157032.

The previous prime is 12041420113. The next prime is 12041420137. The reversal of 12041420131 is 13102414021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12041420131 - 211 = 12041418083 is a prime.

It is a super-2 number, since 2×120414201312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12041420099 and 12041420108.

It is not an unprimeable number, because it can be changed into a prime (12041420137) 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, 463131531 + ... + 463131556.

It is an arithmetic number, because the mean of its divisors is an integer number (3241920808).

Almost surely, 212041420131 is an apocalyptic number.

12041420131 is a deficient number, since it is larger than the sum of its proper divisors (926263101).

12041420131 is an equidigital number, since it uses as much as digits as its factorization.

12041420131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926263100.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12041420131 its reverse (13102414021), we get a palindrome (25143834152).

The spelling of 12041420131 in words is "twelve billion, forty-one million, four hundred twenty thousand, one hundred thirty-one".

Divisors: 1 13 926263087 12041420131