102212464 has 20 divisors (see below), whose sum is σ = 198721656. Its totient is φ = 50929472.

The previous prime is 102212423. The next prime is 102212479. The reversal of 102212464 is 464212201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6214 + ... + 15589.

Almost surely, 2^102212464 is an apocalyptic number.

It is an amenable number.

102212464 is a deficient number, since it is larger than the sum of its proper divisors (96509192).

102212464 is a wasteful number, since it uses less digits than its factorization.

102212464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22104 (or 22098 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 102212464 is about 10110.0180019622. The cubic root of 102212464 is about 467.5570601519.

Adding to 102212464 its reverse (464212201), we get a palindrome (566424665).

The spelling of 102212464 in words is "one hundred two million, two hundred twelve thousand, four hundred sixty-four".