100234212 has 24 divisors (see below), whose sum is σ = 251870976. Its totient is φ = 30841248.

The previous prime is 100234201. The next prime is 100234219. The reversal of 100234212 is 212432001.

It is a junction number, because it is equal to n+sod(n) for n = 100234191 and 100234200.

It is not an unprimeable number, because it can be changed into a prime (100234219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321108 + ... + 321419.

It is an arithmetic number, because the mean of its divisors is an integer number (10494624).

Almost surely, 2^100234212 is an apocalyptic number.

100234212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100234212 is an abundant number, since it is smaller than the sum of its proper divisors (151636764).

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

100234212 is a wasteful number, since it uses less digits than its factorization.

100234212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642547 (or 642545 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 100234212 is about 10011.7037511105. The cubic root of 100234212 is about 464.5209727573.

Adding to 100234212 its reverse (212432001), we get a palindrome (312666213).

The spelling of 100234212 in words is "one hundred million, two hundred thirty-four thousand, two hundred twelve".