12002201677 has 2 divisors, whose sum is σ = 12002201678. Its totient is φ = 12002201676.

The previous prime is 12002201647. The next prime is 12002201681. The reversal of 12002201677 is 77610220021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10744151716 + 1258049961 = 103654^2 + 35469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12002201677 is a prime.

It is a super-2 number, since 2×12002201677² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002201647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001100838 + 6001100839.

It is an arithmetic number, because the mean of its divisors is an integer number (6001100839).

Almost surely, 2^12002201677 is an apocalyptic number.

It is an amenable number.

12002201677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002201677 is an equidigital number, since it uses as much as digits as its factorization.

12002201677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 12002201677 its reverse (77610220021), we get a palindrome (89612421698).

The spelling of 12002201677 in words is "twelve billion, two million, two hundred one thousand, six hundred seventy-seven".