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12110202131321 = 71730028875903
BaseRepresentation
bin1011000000111010000001…
…0010111101001101111001
31120212201112210211102012202
42300032200102331031321
53041403143221200241
641431203340115545
72356635045455060
oct260164022751571
946781483742182
1012110202131321
1139499a9433198
121437056235bb5
1369acaaa3bc08
142dc1cb97b1d7
15160032b43d9b
hexb03a04bd379

12110202131321 has 4 divisors (see below), whose sum is σ = 13840231007232. Its totient is φ = 10380173255412.

The previous prime is 12110202131303. The next prime is 12110202131351. The reversal of 12110202131321 is 12313120201121.

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 12110202131321 - 210 = 12110202130297 is a prime.

It is a super-2 number, since 2×121102021313212 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12110202131293 and 12110202131302.

It is not an unprimeable number, because it can be changed into a prime (12110202131351) 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, 865014437945 + ... + 865014437958.

It is an arithmetic number, because the mean of its divisors is an integer number (3460057751808).

Almost surely, 212110202131321 is an apocalyptic number.

It is an amenable number.

12110202131321 is a deficient number, since it is larger than the sum of its proper divisors (1730028875911).

12110202131321 is an equidigital number, since it uses as much as digits as its factorization.

12110202131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730028875910.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12110202131321 its reverse (12313120201121), we get a palindrome (24423322332442).

The spelling of 12110202131321 in words is "twelve trillion, one hundred ten billion, two hundred two million, one hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 7 1730028875903 12110202131321