120012313277 has 2 divisors, whose sum is σ = 120012313278. Its totient is φ = 120012313276.

The previous prime is 120012313237. The next prime is 120012313303. The reversal of 120012313277 is 772313210021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94203569476 + 25808743801 = 306926^2 + 160651^2 .

It is an emirp because it is prime and its reverse (772313210021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120012313277 - 2²² = 120008118973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012313237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006156638 + 60006156639.

It is an arithmetic number, because the mean of its divisors is an integer number (60006156639).

Almost surely, 2^120012313277 is an apocalyptic number.

It is an amenable number.

120012313277 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012313277 is an equidigital number, since it uses as much as digits as its factorization.

120012313277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

Adding to 120012313277 its reverse (772313210021), we get a palindrome (892325523298).

The spelling of 120012313277 in words is "one hundred twenty billion, twelve million, three hundred thirteen thousand, two hundred seventy-seven".