1201210010243 has 2 divisors, whose sum is σ = 1201210010244. Its totient is φ = 1201210010242.

The previous prime is 1201210010173. The next prime is 1201210010249. The reversal of 1201210010243 is 3420100121021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201210010243 - 2¹⁶ = 1201209944707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201210010249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600605005121 + 600605005122.

It is an arithmetic number, because the mean of its divisors is an integer number (600605005122).

Almost surely, 2^{1201210010243} is an apocalyptic number.

1201210010243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201210010243 is an equidigital number, since it uses as much as digits as its factorization.

1201210010243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1201210010243 its reverse (3420100121021), we get a palindrome (4621310131264).

The spelling of 1201210010243 in words is "one trillion, two hundred one billion, two hundred ten million, ten thousand, two hundred forty-three".