212231101012 has 96 divisors (see below), whose sum is σ = 463057862400. Its totient is φ = 83044942848.

The previous prime is 212231101001. The next prime is 212231101091. The reversal of 212231101012 is 210101132212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8581048 + ... + 8605744.

It is an arithmetic number, because the mean of its divisors is an integer number (4823519400).

Almost surely, 2^212231101012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212231101012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231528931200).

212231101012 is an abundant number, since it is smaller than the sum of its proper divisors (250826761388).

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

212231101012 is a wasteful number, since it uses less digits than its factorization.

212231101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25313 (or 25311 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212231101012 its reverse (210101132212), we get a palindrome (422332233224).

The spelling of 212231101012 in words is "two hundred twelve billion, two hundred thirty-one million, one hundred one thousand, twelve".