120212120011993 has 2 divisors, whose sum is σ = 120212120011994. Its totient is φ = 120212120011992.

The previous prime is 120212120011987. The next prime is 120212120012027. The reversal of 120212120011993 is 399110021212021.

It is a happy number.

It is an a-pointer prime, because the next prime (120212120012027) can be obtained adding 120212120011993 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85823419112649 + 34388700899344 = 9264093^2 + 5864188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120212120011993 is a prime.

It is not a weakly prime, because it can be changed into another prime (120212120011913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106060005996 + 60106060005997.

It is an arithmetic number, because the mean of its divisors is an integer number (60106060005997).

Almost surely, 2^{120212120011993} is an apocalyptic number.

It is an amenable number.

120212120011993 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212120011993 is an equidigital number, since it uses as much as digits as its factorization.

120212120011993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 120212120011993 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred twenty million, eleven thousand, nine hundred ninety-three".