102012200057 has 2 divisors, whose sum is σ = 102012200058. Its totient is φ = 102012200056.

The previous prime is 102012200011. The next prime is 102012200099. The reversal of 102012200057 is 750002210201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70889595001 + 31122605056 = 266251^2 + 176416^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012200057 - 2²⁰ = 102011151481 is a prime.

It is not a weakly prime, because it can be changed into another prime (102018200057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006100028 + 51006100029.

It is an arithmetic number, because the mean of its divisors is an integer number (51006100029).

Almost surely, 2^102012200057 is an apocalyptic number.

It is an amenable number.

102012200057 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012200057 is an equidigital number, since it uses as much as digits as its factorization.

102012200057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

Adding to 102012200057 its reverse (750002210201), we get a palindrome (852014410258).

The spelling of 102012200057 in words is "one hundred two billion, twelve million, two hundred thousand, fifty-seven".