Search a number
-
+
12000120133 = 53226417361
BaseRepresentation
bin10110010110100001…
…10100110101000101
31010222022100021010211
423023100310311011
5144034012321013
65302432115421
7603242223661
oct131320646505
933868307124
1012000120133
1150a8833961
1223aa995b71
1311931a7401
1481ba4d8a1
154a379623d
hex2cb434d45

12000120133 has 4 divisors (see below), whose sum is σ = 12226537548. Its totient is φ = 11773702720.

The previous prime is 12000120101. The next prime is 12000120161. The reversal of 12000120133 is 33102100021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33102100021 = 69147904631.

It can be written as a sum of positive squares in 2 ways, for example, as 6585809409 + 5414310724 = 81153^2 + 73582^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000120133 - 25 = 12000120101 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 (12000120173) 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, 113208628 + ... + 113208733.

It is an arithmetic number, because the mean of its divisors is an integer number (3056634387).

Almost surely, 212000120133 is an apocalyptic number.

It is an amenable number.

12000120133 is a deficient number, since it is larger than the sum of its proper divisors (226417415).

12000120133 is an equidigital number, since it uses as much as digits as its factorization.

12000120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226417414.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12000120133 its reverse (33102100021), we get a palindrome (45102220154).

The spelling of 12000120133 in words is "twelve billion, one hundred twenty thousand, one hundred thirty-three".

Divisors: 1 53 226417361 12000120133