12142121041 has 8 divisors (see below), whose sum is σ = 12577343400. Its totient is φ = 11708000640.

The previous prime is 12142121039. The next prime is 12142121063. The reversal of 12142121041 is 14012124121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 353590416 + 11788530625 = 18804^2 + 108575^2 .

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

It is not a de Polignac number, because 12142121041 - 2¹ = 12142121039 is a prime.

It is a super-2 number, since 2×12142121041² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142125041) 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, 253026 + ... + 297163.

It is an arithmetic number, because the mean of its divisors is an integer number (1572167925).

Almost surely, 2^12142121041 is an apocalyptic number.

It is an amenable number.

12142121041 is a deficient number, since it is larger than the sum of its proper divisors (435222359).

12142121041 is an equidigital number, since it uses as much as digits as its factorization.

12142121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550979.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12142121041 its reverse (14012124121), we get a palindrome (26154245162).

The spelling of 12142121041 in words is "twelve billion, one hundred forty-two million, one hundred twenty-one thousand, forty-one".