102242212 has 12 divisors (see below), whose sum is σ = 179833500. Its totient is φ = 50861216.

The previous prime is 102242207. The next prime is 102242213. The reversal of 102242212 is 212242201.

It can be written as a sum of positive squares in 2 ways, for example, as 88059456 + 14182756 = 9384^2 + 3766^2 .

It is not an unprimeable number, because it can be changed into a prime (102242213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64087 + ... + 65662.

It is an arithmetic number, because the mean of its divisors is an integer number (14986125).

Almost surely, 2^102242212 is an apocalyptic number.

It is an amenable number.

102242212 is a deficient number, since it is larger than the sum of its proper divisors (77591288).

102242212 is a wasteful number, since it uses less digits than its factorization.

102242212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129950 (or 129948 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 102242212 is about 10111.4891089295. The cubic root of 102242212 is about 467.6024151499.

Adding to 102242212 its reverse (212242201), we get a palindrome (314484413).

It can be divided in two parts, 1022 and 42212, that added together give a palindrome (43234).

The spelling of 102242212 in words is "one hundred two million, two hundred forty-two thousand, two hundred twelve".