102010212 has 48 divisors (see below), whose sum is σ = 273011200. Its totient is φ = 32905440.

The previous prime is 102010199. The next prime is 102010231. The reversal of 102010212 is 212010201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102010194 and 102010203.

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 15 ways as a sum of consecutive naturals, for example, 11887 + ... + 18582.

Almost surely, 2^102010212 is an apocalyptic number.

102010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102010212 is an abundant number, since it is smaller than the sum of its proper divisors (171000988).

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

102010212 is a wasteful number, since it uses less digits than its factorization.

102010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30513 (or 30505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 102010212 is about 10100.0104950441. The cubic root of 102010212 is about 467.2484650671.

Adding to 102010212 its reverse (212010201), we get a palindrome (314020413).

The spelling of 102010212 in words is "one hundred two million, ten thousand, two hundred twelve".