120011211247 has 2 divisors, whose sum is σ = 120011211248. Its totient is φ = 120011211246.

The previous prime is 120011211211. The next prime is 120011211277. The reversal of 120011211247 is 742112110021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120011211247 - 2¹⁹ = 120010686959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120011211277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005605623 + 60005605624.

It is an arithmetic number, because the mean of its divisors is an integer number (60005605624).

Almost surely, 2^120011211247 is an apocalyptic number.

120011211247 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011211247 is an equidigital number, since it uses as much as digits as its factorization.

120011211247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 120011211247 its reverse (742112110021), we get a palindrome (862123321268).

The spelling of 120011211247 in words is "one hundred twenty billion, eleven million, two hundred eleven thousand, two hundred forty-seven".