120012313877 has 2 divisors, whose sum is σ = 120012313878. Its totient is φ = 120012313876.

The previous prime is 120012313871. The next prime is 120012313931. The reversal of 120012313877 is 778313210021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102280994596 + 17731319281 = 319814^2 + 133159^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012313877 - 2²⁸ = 119743878421 is a prime.

It is a super-2 number, since 2×120012313877² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012313871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006156938 + 60006156939.

It is an arithmetic number, because the mean of its divisors is an integer number (60006156939).

Almost surely, 2^120012313877 is an apocalyptic number.

It is an amenable number.

120012313877 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012313877 is an equidigital number, since it uses as much as digits as its factorization.

120012313877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

Adding to 120012313877 its reverse (778313210021), we get a palindrome (898325523898).

The spelling of 120012313877 in words is "one hundred twenty billion, twelve million, three hundred thirteen thousand, eight hundred seventy-seven".