120243143220401 has 4 divisors (see below), whose sum is σ = 120355625114100. Its totient is φ = 120130661326704.

The previous prime is 120243143220397. The next prime is 120243143220419. The reversal of 120243143220401 is 104022341342021.

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 79473641210401 + 40769502010000 = 8914799^2 + 6385100^2 .

It is a cyclic number.

It is not a de Polignac number, because 120243143220401 - 2² = 120243143220397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120243143220901) 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, 56240945246 + ... + 56240947383.

It is an arithmetic number, because the mean of its divisors is an integer number (30088906278525).

Almost surely, 2^{120243143220401} is an apocalyptic number.

It is an amenable number.

120243143220401 is a deficient number, since it is larger than the sum of its proper divisors (112481893699).

120243143220401 is a wasteful number, since it uses less digits than its factorization.

120243143220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112481893698.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 120243143220401 its reverse (104022341342021), we get a palindrome (224265484562422).

The spelling of 120243143220401 in words is "one hundred twenty trillion, two hundred forty-three billion, one hundred forty-three million, two hundred twenty thousand, four hundred one".