212331032310 has 128 divisors (see below), whose sum is σ = 542314045440. Its totient is φ = 53054870400.

The previous prime is 212331032293. The next prime is 212331032311. The reversal of 212331032310 is 13230133212.

It is a super-2 number, since 2×212331032310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212331032311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19598595 + ... + 19609425.

It is an arithmetic number, because the mean of its divisors is an integer number (4236828480).

Almost surely, 2^212331032310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212331032310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271157022720).

212331032310 is an abundant number, since it is smaller than the sum of its proper divisors (329983013130).

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

212331032310 is a wasteful number, since it uses less digits than its factorization.

212331032310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11234.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212331032310 its reverse (13230133212), we get a palindrome (225561165522).

The spelling of 212331032310 in words is "two hundred twelve billion, three hundred thirty-one million, thirty-two thousand, three hundred ten".