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12013421032141 = 25954334628677
BaseRepresentation
bin1010111011010001011110…
…1100010111001011001101
31120112110201222010011202221
42232310113230113023031
53033311441241012031
641314520041215341
72346640525630054
oct256642754271315
946473658104687
1012013421032141
113911954a8aa01
121420346491551
13691b26088019
142d764a22539b
1515c76b2dca11
hexaed17b172cd

12013421032141 has 4 divisors (see below), whose sum is σ = 12013428256252. Its totient is φ = 12013413808032.

The previous prime is 12013421032097. The next prime is 12013421032153. The reversal of 12013421032141 is 14123012431021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9507386394025 + 2506034638116 = 3083405^2 + 1583046^2 .

It is a cyclic number.

It is not a de Polignac number, because 12013421032141 - 27 = 12013421032013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013421032541) 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, 281095 + ... + 4909771.

It is an arithmetic number, because the mean of its divisors is an integer number (3003357064063).

Almost surely, 212013421032141 is an apocalyptic number.

It is an amenable number.

12013421032141 is a deficient number, since it is larger than the sum of its proper divisors (7224111).

12013421032141 is an equidigital number, since it uses as much as digits as its factorization.

12013421032141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224110.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 12013421032141 its reverse (14123012431021), we get a palindrome (26136433463162).

The spelling of 12013421032141 in words is "twelve trillion, thirteen billion, four hundred twenty-one million, thirty-two thousand, one hundred forty-one".

Divisors: 1 2595433 4628677 12013421032141