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12142041123 = 318679216679
BaseRepresentation
bin10110100111011100…
…01101100000100011
31011100012101121010210
423103232031200203
5144331330303443
65324502025203
7606614434542
oct132356154043
934305347123
1012142041123
115170958233
12242a418203
1311b6707c24
14832834159
154b0e7bc33
hex2d3b8d823

12142041123 has 8 divisors (see below), whose sum is σ = 16190329600. Its totient is φ = 8094223368.

The previous prime is 12142041091. The next prime is 12142041133. The reversal of 12142041123 is 32114024121.

12142041123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12142041123 - 25 = 12142041091 is a prime.

It is a super-2 number, since 2×121420411232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12142041123.

It is not an unprimeable number, because it can be changed into a prime (12142041133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52303 + ... + 164376.

It is an arithmetic number, because the mean of its divisors is an integer number (2023791200).

Almost surely, 212142041123 is an apocalyptic number.

12142041123 is a deficient number, since it is larger than the sum of its proper divisors (4048288477).

12142041123 is a wasteful number, since it uses less digits than its factorization.

12142041123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235361.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12142041123 its reverse (32114024121), we get a palindrome (44256065244).

The spelling of 12142041123 in words is "twelve billion, one hundred forty-two million, forty-one thousand, one hundred twenty-three".

Divisors: 1 3 18679 56037 216679 650037 4047347041 12142041123