212330011020 has 96 divisors (see below), whose sum is σ = 597916300800. Its totient is φ = 56298654720.

The previous prime is 212330011013. The next prime is 212330011021. The reversal of 212330011020 is 20110033212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (212330011021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20567460 + ... + 20577780.

It is an arithmetic number, because the mean of its divisors is an integer number (6228294800).

Almost surely, 2^212330011020 is an apocalyptic number.

212330011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212330011020 is an abundant number, since it is smaller than the sum of its proper divisors (385586289780).

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

212330011020 is a wasteful number, since it uses less digits than its factorization.

212330011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12255 (or 12253 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212330011020 its reverse (20110033212), we get a palindrome (232440044232).

The spelling of 212330011020 in words is "two hundred twelve billion, three hundred thirty million, eleven thousand, twenty".