213223212232 has 128 divisors (see below), whose sum is σ = 457174368000. Its totient is φ = 92595363840.

The previous prime is 213223212229. The next prime is 213223212271. The reversal of 213223212232 is 232212322312.

It is a junction number, because it is equal to n+sod(n) for n = 213223212197 and 213223212206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93971194 + ... + 93973462.

It is an arithmetic number, because the mean of its divisors is an integer number (3571674750).

Almost surely, 2^213223212232 is an apocalyptic number.

It is an amenable number.

213223212232 is an abundant number, since it is smaller than the sum of its proper divisors (243951155768).

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

213223212232 is a wasteful number, since it uses less digits than its factorization.

213223212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239 (or 3235 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

Adding to 213223212232 its reverse (232212322312), we get a palindrome (445435534544).

The spelling of 213223212232 in words is "two hundred thirteen billion, two hundred twenty-three million, two hundred twelve thousand, two hundred thirty-two".