12141231254545 has 8 divisors (see below), whose sum is σ = 14606176443624. Its totient is φ = 9688519044864.

The previous prime is 12141231254521. The next prime is 12141231254557. The reversal of 12141231254545 is 54545213214121.

It can be written as a sum of positive squares in 4 ways, for example, as 833123515536 + 11308107739009 = 912756^2 + 3362753^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12141231254545 - 2⁵ = 12141231254513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12141231254498 and 12141231254507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3058242664 + ... + 3058246633.

It is an arithmetic number, because the mean of its divisors is an integer number (1825772055453).

Almost surely, 2^{12141231254545} is an apocalyptic number.

It is an amenable number.

12141231254545 is a deficient number, since it is larger than the sum of its proper divisors (2464945189079).

12141231254545 is an equidigital number, since it uses as much as digits as its factorization.

12141231254545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116489699.

The product of its digits is 192000, while the sum is 40.

Adding to 12141231254545 its reverse (54545213214121), we get a palindrome (66686444468666).

The spelling of 12141231254545 in words is "twelve trillion, one hundred forty-one billion, two hundred thirty-one million, two hundred fifty-four thousand, five hundred forty-five".