102212704 has 192 divisors, whose sum is σ = 261273600. Its totient is φ = 38707200.

The previous prime is 102212699. The next prime is 102212729. The reversal of 102212704 is 407212201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3297169 + ... + 3297199.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^102212704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102212704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130636800).

102212704 is an abundant number, since it is smaller than the sum of its proper divisors (159060896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212704 is a wasteful number, since it uses less digits than its factorization.

102212704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 102212704 is about 10110.0298713703. The cubic root of 102212704 is about 467.5574261008.

Adding to 102212704 its reverse (407212201), we get a palindrome (509424905).

The spelling of 102212704 in words is "one hundred two million, two hundred twelve thousand, seven hundred four".