120112201997 has 2 divisors, whose sum is σ = 120112201998. Its totient is φ = 120112201996.

The previous prime is 120112201987. The next prime is 120112202027. The reversal of 120112201997 is 799102211021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116741122276 + 3371079721 = 341674^2 + 58061^2 .

It is a cyclic number.

It is not a de Polignac number, because 120112201997 - 2¹⁸ = 120111939853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120112201987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056100998 + 60056100999.

It is an arithmetic number, because the mean of its divisors is an integer number (60056100999).

Almost surely, 2^120112201997 is an apocalyptic number.

It is an amenable number.

120112201997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120112201997 is an equidigital number, since it uses as much as digits as its factorization.

120112201997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 120112201997 in words is "one hundred twenty billion, one hundred twelve million, two hundred one thousand, nine hundred ninety-seven".