212020023321 has 48 divisors (see below), whose sum is σ = 323991263232. Its totient is φ = 133388812800.

The previous prime is 212020023301. The next prime is 212020023329. The reversal of 212020023321 is 123320020212.

212020023321 is a `hidden beast` number, since 2 + 120 + 200 + 23 + 321 = 666.

It is not a de Polignac number, because 212020023321 - 2¹⁴ = 212020006937 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212020023294 and 212020023303.

It is not an unprimeable number, because it can be changed into a prime (212020023329) 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, 47503936 + ... + 47508398.

It is an arithmetic number, because the mean of its divisors is an integer number (6749817984).

Almost surely, 2^212020023321 is an apocalyptic number.

It is an amenable number.

212020023321 is a deficient number, since it is larger than the sum of its proper divisors (111971239911).

212020023321 is a wasteful number, since it uses less digits than its factorization.

212020023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8694 (or 8691 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212020023321 its reverse (123320020212), we get a palindrome (335340043533).

The spelling of 212020023321 in words is "two hundred twelve billion, twenty million, twenty-three thousand, three hundred twenty-one".