212120023323030 has 32 divisors (see below), whose sum is σ = 520927313094144. Its totient is φ = 55249866539616.

The previous prime is 212120023322953. The next prime is 212120023323037. The reversal of 212120023323030 is 30323320021212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120023323037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82217062014 + ... + 82217064593.

It is an arithmetic number, because the mean of its divisors is an integer number (16278978534192).

Almost surely, 2^{212120023323030} is an apocalyptic number.

212120023323030 is an abundant number, since it is smaller than the sum of its proper divisors (308807289771114).

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

212120023323030 is a wasteful number, since it uses less digits than its factorization.

212120023323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164434126660.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212120023323030 its reverse (30323320021212), we get a palindrome (242443343344242).

The spelling of 212120023323030 in words is "two hundred twelve trillion, one hundred twenty billion, twenty-three million, three hundred twenty-three thousand, thirty".