13124201320145 has 8 divisors (see below), whose sum is σ = 15749079737256. Its totient is φ = 10499335620736.

The previous prime is 13124201320141. The next prime is 13124201320189. The reversal of 13124201320145 is 54102310242131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1195681014784 + 11928520305361 = 1093472^2 + 3453769^2 .

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 13124201320145 - 2² = 13124201320141 is a prime.

It is a super-3 number, since 3×13124201320145³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13124201320141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738782 + ... + 5176311.

It is an arithmetic number, because the mean of its divisors is an integer number (1968634967157).

Almost surely, 2^{13124201320145} is an apocalyptic number.

It is an amenable number.

13124201320145 is a deficient number, since it is larger than the sum of its proper divisors (2624878417111).

13124201320145 is an equidigital number, since it uses as much as digits as its factorization.

13124201320145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358851.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 13124201320145 its reverse (54102310242131), we get a palindrome (67226511562276).

The spelling of 13124201320145 in words is "thirteen trillion, one hundred twenty-four billion, two hundred one million, three hundred twenty thousand, one hundred forty-five".