10212304212 has 72 divisors (see below), whose sum is σ = 28204656480. Its totient is φ = 3089862720.

The previous prime is 10212304189. The next prime is 10212304213. The reversal of 10212304212 is 21240321201.

It is a happy number.

10212304212 is a `hidden beast` number, since 1 + 0 + 212 + 30 + 421 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212304213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241398 + ... + 280530.

It is an arithmetic number, because the mean of its divisors is an integer number (391731340).

Almost surely, 2^10212304212 is an apocalyptic number.

10212304212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212304212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14102328240).

10212304212 is an abundant number, since it is smaller than the sum of its proper divisors (17992352268).

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

10212304212 is a wasteful number, since it uses less digits than its factorization.

10212304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39813 (or 39808 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10212304212 its reverse (21240321201), we get a palindrome (31452625413).

The spelling of 10212304212 in words is "ten billion, two hundred twelve million, three hundred four thousand, two hundred twelve".