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12012115314553 = 115031044259351
BaseRepresentation
bin1010111011001100100111…
…0111011100011101111001
31120112100100222011211222021
42232303021313130131321
53033301303010031203
641314142315154441
72346563262334204
oct256631167343571
946470328154867
1012012115314553
113911344a37a62
121420041145a21
136919786ca773
142d7564a5693b
1515c6e186d5bd
hexaecc9ddc779

12012115314553 has 4 divisors (see below), whose sum is σ = 12013159585408. Its totient is φ = 12011071043700.

The previous prime is 12012115314503. The next prime is 12012115314559. The reversal of 12012115314553 is 35541351121021.

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 12012115314553 - 213 = 12012115306361 is a prime.

It is a super-3 number, since 3×120121153145533 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012115314559) 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, 522118173 + ... + 522141178.

It is an arithmetic number, because the mean of its divisors is an integer number (3003289896352).

Almost surely, 212012115314553 is an apocalyptic number.

It is an amenable number.

12012115314553 is a deficient number, since it is larger than the sum of its proper divisors (1044270855).

12012115314553 is a wasteful number, since it uses less digits than its factorization.

12012115314553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044270854.

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 12012115314553 its reverse (35541351121021), we get a palindrome (47553466435574).

The spelling of 12012115314553 in words is "twelve trillion, twelve billion, one hundred fifteen million, three hundred fourteen thousand, five hundred fifty-three".

Divisors: 1 11503 1044259351 12012115314553