12120020110019 has 2 divisors, whose sum is σ = 12120020110020. Its totient is φ = 12120020110018.

The previous prime is 12120020109973. The next prime is 12120020110129. The reversal of 12120020110019 is 91001102002121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12120020110019 - 2¹² = 12120020105923 is a prime.

It is a super-2 number, since 2×12120020110019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12120020110819) 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, 6060010055009 + 6060010055010.

It is an arithmetic number, because the mean of its divisors is an integer number (6060010055010).

Almost surely, 2^{12120020110019} is an apocalyptic number.

12120020110019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120020110019 is an equidigital number, since it uses as much as digits as its factorization.

12120020110019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 12120020110019 in words is "twelve trillion, one hundred twenty billion, twenty million, one hundred ten thousand, nineteen".