212023111401420 has 144 divisors (see below), whose sum is σ = 652735588748544. Its totient is φ = 51384179369600.

The previous prime is 212023111401403. The next prime is 212023111401421. The reversal of 212023111401420 is 24104111320212.

It is not an unprimeable number, because it can be changed into a prime (212023111401421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19936465 + ... + 28661975.

It is an arithmetic number, because the mean of its divisors is an integer number (4532886032976).

Almost surely, 2^{212023111401420} is an apocalyptic number.

212023111401420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212023111401420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326367794374272).

212023111401420 is an abundant number, since it is smaller than the sum of its proper divisors (440712477347124).

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

212023111401420 is a wasteful number, since it uses less digits than its factorization.

212023111401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8728892 (or 8728879 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 212023111401420 its reverse (24104111320212), we get a palindrome (236127222721632).

The spelling of 212023111401420 in words is "two hundred twelve trillion, twenty-three billion, one hundred eleven million, four hundred one thousand, four hundred twenty".