144120212004413 has 4 divisors (see below), whose sum is σ = 145442415784380. Its totient is φ = 142798008224448.

The previous prime is 144120212004403. The next prime is 144120212004467. The reversal of 144120212004413 is 314400212021441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117492527323609 + 26627684680804 = 10839397^2 + 5160202^2 .

It is a cyclic number.

It is not a de Polignac number, because 144120212004413 - 2⁴⁰ = 143020700376637 is a prime.

It is a super-2 number, since 2×144120212004413² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144120212004403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661101889820 + ... + 661101890037.

It is an arithmetic number, because the mean of its divisors is an integer number (36360603946095).

Almost surely, 2^{144120212004413} is an apocalyptic number.

It is an amenable number.

144120212004413 is a deficient number, since it is larger than the sum of its proper divisors (1322203779967).

144120212004413 is a wasteful number, since it uses less digits than its factorization.

144120212004413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322203779966.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 144120212004413 its reverse (314400212021441), we get a palindrome (458520424025854).

The spelling of 144120212004413 in words is "one hundred forty-four trillion, one hundred twenty billion, two hundred twelve million, four thousand, four hundred thirteen".