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12141135427 = 61221389939
BaseRepresentation
bin10110100111010101…
…10000011001000011
31011100010200120202111
423103222300121003
5144331112313202
65324430400151
7606603643201
oct132352603103
934303616674
1012141135427
115170399823
12242a060057
1311b647b905
1483267a071
154b0d4d6d7
hex2d3ab0643

12141135427 has 8 divisors (see below), whose sum is σ = 12345883920. Its totient is φ = 11936571360.

The previous prime is 12141135421. The next prime is 12141135437. The reversal of 12141135427 is 72453114121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12141135427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12141135421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90024 + ... + 179962.

It is an arithmetic number, because the mean of its divisors is an integer number (1543235490).

Almost surely, 212141135427 is an apocalyptic number.

12141135427 is a deficient number, since it is larger than the sum of its proper divisors (204748493).

12141135427 is an equidigital number, since it uses as much as digits as its factorization.

12141135427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92213.

The product of its digits is 6720, while the sum is 31.

Adding to 12141135427 its reverse (72453114121), we get a palindrome (84594249548).

The spelling of 12141135427 in words is "twelve billion, one hundred forty-one million, one hundred thirty-five thousand, four hundred twenty-seven".

Divisors: 1 61 2213 89939 134993 5486279 199035007 12141135427