120319999997 has 2 divisors, whose sum is σ = 120319999998. Its totient is φ = 120319999996.

The previous prime is 120319999939. The next prime is 120320000063. The reversal of 120319999997 is 799999913021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119542371001 + 777628996 = 345749^2 + 27886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120319999997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120319999907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60159999998 + 60159999999.

It is an arithmetic number, because the mean of its divisors is an integer number (60159999999).

Almost surely, 2^120319999997 is an apocalyptic number.

It is an amenable number.

120319999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120319999997 is an equidigital number, since it uses as much as digits as its factorization.

120319999997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22320522, while the sum is 68.

The spelling of 120319999997 in words is "one hundred twenty billion, three hundred nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-seven".