102202212 has 24 divisors (see below), whose sum is σ = 272539456. Its totient is φ = 29200608.

The previous prime is 102202211. The next prime is 102202223. The reversal of 102202212 is 212202201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (102202211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608263 + ... + 608430.

Almost surely, 2^102202212 is an apocalyptic number.

102202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102202212 is an abundant number, since it is smaller than the sum of its proper divisors (170337244).

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

102202212 is a wasteful number, since it uses less digits than its factorization.

102202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216707 (or 1216705 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102202212 is about 10109.5109674009. The cubic root of 102202212 is about 467.5414275012.

Adding to 102202212 its reverse (212202201), we get a palindrome (314404413).

The spelling of 102202212 in words is "one hundred two million, two hundred two thousand, two hundred twelve".