12330400777 has 2 divisors, whose sum is σ = 12330400778. Its totient is φ = 12330400776.

The previous prime is 12330400769. The next prime is 12330400847. The reversal of 12330400777 is 77700403321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9545094601 + 2785306176 = 97699^2 + 52776^2 .

It is a cyclic number.

It is not a de Polignac number, because 12330400777 - 2³ = 12330400769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12330400477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165200388 + 6165200389.

It is an arithmetic number, because the mean of its divisors is an integer number (6165200389).

Almost surely, 2^12330400777 is an apocalyptic number.

It is an amenable number.

12330400777 is a deficient number, since it is larger than the sum of its proper divisors (1).

12330400777 is an equidigital number, since it uses as much as digits as its factorization.

12330400777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 34.

The spelling of 12330400777 in words is "twelve billion, three hundred thirty million, four hundred thousand, seven hundred seventy-seven".