120001240001 has 2 divisors, whose sum is σ = 120001240002. Its totient is φ = 120001240000.

The previous prime is 120001239859. The next prime is 120001240027. The reversal of 120001240001 is 100042100021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81270606400 + 38730633601 = 285080^2 + 196801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120001240001 is a prime.

It is not a weakly prime, because it can be changed into another prime (120001240301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000620000 + 60000620001.

It is an arithmetic number, because the mean of its divisors is an integer number (60000620001).

Almost surely, 2^120001240001 is an apocalyptic number.

It is an amenable number.

120001240001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001240001 is an equidigital number, since it uses as much as digits as its factorization.

120001240001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120001240001 its reverse (100042100021), we get a palindrome (220043340022).

The spelling of 120001240001 in words is "one hundred twenty billion, one million, two hundred forty thousand, one".