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12450212142 = 232075035357
BaseRepresentation
bin10111001100001011…
…10010100100101110
31012010200021022022020
423212011302210232
5200444223242032
65415231131010
7620346025404
oct134605624456
935120238266
1012450212142
115309902725
1224b5673a66
131235506c44
14861733474
154cd051b2c
hex2e617292e

12450212142 has 8 divisors (see below), whose sum is σ = 24900424296. Its totient is φ = 4150070712.

The previous prime is 12450212129. The next prime is 12450212149. The reversal of 12450212142 is 24121205421.

12450212142 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.

12450212142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450212149) 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 3 ways as a sum of consecutive naturals, for example, 1037517673 + ... + 1037517684.

It is an arithmetic number, because the mean of its divisors is an integer number (3112553037).

Almost surely, 212450212142 is an apocalyptic number.

12450212142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12450212142 is a wasteful number, since it uses less digits than its factorization.

12450212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075035362.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 12450212142 its reverse (24121205421), we get a palindrome (36571417563).

The spelling of 12450212142 in words is "twelve billion, four hundred fifty million, two hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 3 6 2075035357 4150070714 6225106071 12450212142