120019869877 has 2 divisors, whose sum is σ = 120019869878. Its totient is φ = 120019869876.

The previous prime is 120019869863. The next prime is 120019869929. The reversal of 120019869877 is 778968910021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109031379601 + 10988490276 = 330199^2 + 104826^2 .

It is a cyclic number.

It is not a de Polignac number, because 120019869877 - 2³⁵ = 85660131509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120010869877) 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, 60009934938 + 60009934939.

It is an arithmetic number, because the mean of its divisors is an integer number (60009934939).

Almost surely, 2^120019869877 is an apocalyptic number.

It is an amenable number.

120019869877 is a deficient number, since it is larger than the sum of its proper divisors (1).

120019869877 is an equidigital number, since it uses as much as digits as its factorization.

120019869877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 58.

The spelling of 120019869877 in words is "one hundred twenty billion, nineteen million, eight hundred sixty-nine thousand, eight hundred seventy-seven".