213223303212 has 48 divisors (see below), whose sum is σ = 501465051360. Its totient is φ = 70511652352.

The previous prime is 213223303133. The next prime is 213223303273. The reversal of 213223303212 is 212303322312.

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, 2651614 + ... + 2730842.

It is an arithmetic number, because the mean of its divisors is an integer number (10447188570).

Almost surely, 2^213223303212 is an apocalyptic number.

It is an amenable number.

213223303212 is an abundant number, since it is smaller than the sum of its proper divisors (288241748148).

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

213223303212 is a wasteful number, since it uses less digits than its factorization.

213223303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81010 (or 81008 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213223303212 its reverse (212303322312), we get a palindrome (425526625524).

The spelling of 213223303212 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred three thousand, two hundred twelve".