102012133 has 2 divisors, whose sum is σ = 102012134. Its totient is φ = 102012132.

The previous prime is 102012091. The next prime is 102012179. The reversal of 102012133 is 331210201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91527489 + 10484644 = 9567^2 + 3238^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012133 - 2²¹ = 99914981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102012233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006066 + 51006067.

It is an arithmetic number, because the mean of its divisors is an integer number (51006067).

Almost surely, 2^102012133 is an apocalyptic number.

It is an amenable number.

102012133 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012133 is an equidigital number, since it uses as much as digits as its factorization.

102012133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 102012133 is about 10100.1055935074. The cubic root of 102012133 is about 467.2513980371.

Adding to 102012133 its reverse (331210201), we get a palindrome (433222334).

The spelling of 102012133 in words is "one hundred two million, twelve thousand, one hundred thirty-three".