212031222320204 has 48 divisors (see below), whose sum is σ = 426057689014272. Its totient is φ = 90443857622592.

The previous prime is 212031222320189. The next prime is 212031222320257. The reversal of 212031222320204 is 402023222130212.

It is a super-2 number, since 2×212031222320204² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12717932 + ... + 24203475.

It is an arithmetic number, because the mean of its divisors is an integer number (8876201854464).

Almost surely, 2^{212031222320204} is an apocalyptic number.

It is an amenable number.

212031222320204 is an abundant number, since it is smaller than the sum of its proper divisors (214026466694068).

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

212031222320204 is a wasteful number, since it uses less digits than its factorization.

212031222320204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36922382 (or 36922380 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212031222320204 its reverse (402023222130212), we get a palindrome (614054444450416).

The spelling of 212031222320204 in words is "two hundred twelve trillion, thirty-one billion, two hundred twenty-two million, three hundred twenty thousand, two hundred four".