120013256243 has 2 divisors, whose sum is σ = 120013256244. Its totient is φ = 120013256242.

The previous prime is 120013256227. The next prime is 120013256261. The reversal of 120013256243 is 342652310021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120013256243 - 2⁴ = 120013256227 is a prime.

It is not a weakly prime, because it can be changed into another prime (120013256273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006628121 + 60006628122.

It is an arithmetic number, because the mean of its divisors is an integer number (60006628122).

Almost surely, 2^120013256243 is an apocalyptic number.

120013256243 is a deficient number, since it is larger than the sum of its proper divisors (1).

120013256243 is an equidigital number, since it uses as much as digits as its factorization.

120013256243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 120013256243 its reverse (342652310021), we get a palindrome (462665566264).

The spelling of 120013256243 in words is "one hundred twenty billion, thirteen million, two hundred fifty-six thousand, two hundred forty-three".