102200012077 has 2 divisors, whose sum is σ = 102200012078. Its totient is φ = 102200012076.

The previous prime is 102200012071. The next prime is 102200012107. The reversal of 102200012077 is 770210002201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102132015561 + 67996516 = 319581^2 + 8246^2 .

It is a cyclic number.

It is not a de Polignac number, because 102200012077 - 2³ = 102200012069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102200012071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100006038 + 51100006039.

It is an arithmetic number, because the mean of its divisors is an integer number (51100006039).

Almost surely, 2^102200012077 is an apocalyptic number.

It is an amenable number.

102200012077 is a deficient number, since it is larger than the sum of its proper divisors (1).

102200012077 is an equidigital number, since it uses as much as digits as its factorization.

102200012077 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 102200012077 its reverse (770210002201), we get a palindrome (872410014278).

The spelling of 102200012077 in words is "one hundred two billion, two hundred million, twelve thousand, seventy-seven".