12220001077 has 2 divisors, whose sum is σ = 12220001078. Its totient is φ = 12220001076.

The previous prime is 12220001029. The next prime is 12220001083. The reversal of 12220001077 is 77010002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10226467876 + 1993533201 = 101126^2 + 44649^2 .

It is an emirp because it is prime and its reverse (77010002221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220001077 is a prime.

It is a super-4 number, since 4×12220001077⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220401077) 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, 6110000538 + 6110000539.

It is an arithmetic number, because the mean of its divisors is an integer number (6110000539).

Almost surely, 2^12220001077 is an apocalyptic number.

It is an amenable number.

12220001077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220001077 is an equidigital number, since it uses as much as digits as its factorization.

12220001077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

Adding to 12220001077 its reverse (77010002221), we get a palindrome (89230003298).

The spelling of 12220001077 in words is "twelve billion, two hundred twenty million, one thousand, seventy-seven".