212231333100 has 72 divisors (see below), whose sum is σ = 614104406608. Its totient is φ = 56590560000.

The previous prime is 212231333077. The next prime is 212231333107. The reversal of 212231333100 is 1333132212.

It is a super-3 number, since 3×212231333100³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (212231333107) 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, 5832162 + ... + 5868438.

Almost surely, 2^212231333100 is an apocalyptic number.

212231333100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212231333100 is an abundant number, since it is smaller than the sum of its proper divisors (401873073508).

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

212231333100 is a wasteful number, since it uses less digits than its factorization.

212231333100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55795 (or 55788 counting only the distinct ones).

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

Adding to 212231333100 its reverse (1333132212), we get a palindrome (213564465312).

The spelling of 212231333100 in words is "two hundred twelve billion, two hundred thirty-one million, three hundred thirty-three thousand, one hundred".