120012112110001 has 2 divisors, whose sum is σ = 120012112110002. Its totient is φ = 120012112110000.

The previous prime is 120012112109987. The next prime is 120012112110013. The reversal of 120012112110001 is 100011211210021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117551132410000 + 2460979700001 = 10842100^2 + 1568751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120012112110001 is a prime.

It is not a weakly prime, because it can be changed into another prime (120012112110031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006056055000 + 60006056055001.

It is an arithmetic number, because the mean of its divisors is an integer number (60006056055001).

Almost surely, 2^{120012112110001} is an apocalyptic number.

It is an amenable number.

120012112110001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012112110001 is an equidigital number, since it uses as much as digits as its factorization.

120012112110001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120012112110001 its reverse (100011211210021), we get a palindrome (220023323320022).

The spelling of 120012112110001 in words is "one hundred twenty trillion, twelve billion, one hundred twelve million, one hundred ten thousand, one".