102011212 has 24 divisors (see below), whose sum is σ = 186525360. Its totient is φ = 48753600.

The previous prime is 102011207. The next prime is 102011219. The reversal of 102011212 is 212110201.

It is not an unprimeable number, because it can be changed into a prime (102011219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7363 + ... + 16069.

It is an arithmetic number, because the mean of its divisors is an integer number (7771890).

Almost surely, 2^102011212 is an apocalyptic number.

It is an amenable number.

102011212 is a deficient number, since it is larger than the sum of its proper divisors (84514148).

102011212 is a wasteful number, since it uses less digits than its factorization.

102011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841 (or 8839 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 102011212 is about 10100.0599998218. The cubic root of 102011212 is about 467.2499918651.

Adding to 102011212 its reverse (212110201), we get a palindrome (314121413).

The spelling of 102011212 in words is "one hundred two million, eleven thousand, two hundred twelve".