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12301132030221 = 34100377343407
BaseRepresentation
bin1011001100000001010010…
…0110101110000100001101
31121112222101001010020001210
42303000110212232010031
53103020204244431341
642055021222325033
72406504343023456
oct263002446560415
947488331106053
1012301132030221
113a12976383171
121468060289779
136b2cb7c05258
143075411da12d
15164ea9b90c16
hexb30149ae10d

12301132030221 has 4 divisors (see below), whose sum is σ = 16401509373632. Its totient is φ = 8200754686812.

The previous prime is 12301132030219. The next prime is 12301132030241. The reversal of 12301132030221 is 12203023110321.

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 not a de Polignac number, because 12301132030221 - 21 = 12301132030219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301132030241) 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, 2050188671701 + ... + 2050188671706.

It is an arithmetic number, because the mean of its divisors is an integer number (4100377343408).

Almost surely, 212301132030221 is an apocalyptic number.

It is an amenable number.

12301132030221 is a deficient number, since it is larger than the sum of its proper divisors (4100377343411).

12301132030221 is an equidigital number, since it uses as much as digits as its factorization.

12301132030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100377343410.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12301132030221 its reverse (12203023110321), we get a palindrome (24504155140542).

The spelling of 12301132030221 in words is "twelve trillion, three hundred one billion, one hundred thirty-two million, thirty thousand, two hundred twenty-one".

Divisors: 1 3 4100377343407 12301132030221