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12211031041 = 111110093731
BaseRepresentation
bin10110101111101010…
…11000110000000001
31011112000012122111221
423113311120300001
5200002010443131
65335404435041
7611413023406
oct132765306001
934460178457
1012211031041
1151a68993a0
122449548a81
1311c7ab1a71
1483ba722ad
154b7058411
hex2d7d58c01

12211031041 has 4 divisors (see below), whose sum is σ = 13321124784. Its totient is φ = 11100937300.

The previous prime is 12211031029. The next prime is 12211031071. The reversal of 12211031041 is 14013011221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12211031041 - 25 = 12211031009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12211031071) 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, 555046855 + ... + 555046876.

It is an arithmetic number, because the mean of its divisors is an integer number (3330281196).

Almost surely, 212211031041 is an apocalyptic number.

12211031041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12211031041 is a deficient number, since it is larger than the sum of its proper divisors (1110093743).

12211031041 is a wasteful number, since it uses less digits than its factorization.

12211031041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110093742.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12211031041 its reverse (14013011221), we get a palindrome (26224042262).

The spelling of 12211031041 in words is "twelve billion, two hundred eleven million, thirty-one thousand, forty-one".

Divisors: 1 11 1110093731 12211031041