102212130 has 32 divisors (see below), whose sum is σ = 251941824. Its totient is φ = 26519616.

The previous prime is 102212129. The next prime is 102212137. The reversal of 102212130 is 31212201.

It is not an unprimeable number, because it can be changed into a prime (102212137) 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 15 ways as a sum of consecutive naturals, for example, 44932 + ... + 47151.

It is an arithmetic number, because the mean of its divisors is an integer number (7873182).

Almost surely, 2^102212130 is an apocalyptic number.

102212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102212130 is an abundant number, since it is smaller than the sum of its proper divisors (149729694).

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

102212130 is a wasteful number, since it uses less digits than its factorization.

102212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92130.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102212130 is about 10110.0014836794. The cubic root of 102212130 is about 467.5565508721.

Adding to 102212130 its reverse (31212201), we get a palindrome (133424331).

The spelling of 102212130 in words is "one hundred two million, two hundred twelve thousand, one hundred thirty".