101200212 has 48 divisors (see below), whose sum is σ = 267966720. Its totient is φ = 33014016.

The previous prime is 101200193. The next prime is 101200219. The reversal of 101200212 is 212002101.

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 = 101200194 and 101200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4893 + ... + 15044.

It is an arithmetic number, because the mean of its divisors is an integer number (5582640).

Almost surely, 2^101200212 is an apocalyptic number.

101200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101200212 is an abundant number, since it is smaller than the sum of its proper divisors (166766508).

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

101200212 is a wasteful number, since it uses less digits than its factorization.

101200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19997 (or 19989 counting only the distinct ones).

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

The square root of 101200212 is about 10059.8316089287. The cubic root of 101200212 is about 466.0084668775.

Adding to 101200212 its reverse (212002101), we get a palindrome (313202313).

The spelling of 101200212 in words is "one hundred one million, two hundred thousand, two hundred twelve".