213122224233212 has 192 divisors, whose sum is σ = 437319351060480. Its totient is φ = 89002721280000.

The previous prime is 213122224233209. The next prime is 213122224233229. The reversal of 213122224233212 is 212332422221312.

213122224233212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213122224233212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132621171713 + ... + 132621173319.

It is an arithmetic number, because the mean of its divisors is an integer number (2277704953440).

Almost surely, 2^{213122224233212} is an apocalyptic number.

It is an amenable number.

213122224233212 is an abundant number, since it is smaller than the sum of its proper divisors (224197126827268).

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

213122224233212 is a wasteful number, since it uses less digits than its factorization.

213122224233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3610 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 213122224233212 its reverse (212332422221312), we get a palindrome (425454646454524).

The spelling of 213122224233212 in words is "two hundred thirteen trillion, one hundred twenty-two billion, two hundred twenty-four million, two hundred thirty-three thousand, two hundred twelve".