120311211197 has 2 divisors, whose sum is σ = 120311211198. Its totient is φ = 120311211196.

The previous prime is 120311211131. The next prime is 120311211217. The reversal of 120311211197 is 791112113021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69237923161 + 51073288036 = 263131^2 + 225994^2 .

It is a cyclic number.

It is not a de Polignac number, because 120311211197 - 2⁸ = 120311210941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120311211107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60155605598 + 60155605599.

It is an arithmetic number, because the mean of its divisors is an integer number (60155605599).

Almost surely, 2^120311211197 is an apocalyptic number.

It is an amenable number.

120311211197 is a deficient number, since it is larger than the sum of its proper divisors (1).

120311211197 is an equidigital number, since it uses as much as digits as its factorization.

120311211197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 29.

The spelling of 120311211197 in words is "one hundred twenty billion, three hundred eleven million, two hundred eleven thousand, one hundred ninety-seven".