213220301302312 has 64 divisors (see below), whose sum is σ = 404126378375040. Its totient is φ = 105460002816000.

The previous prime is 213220301302231. The next prime is 213220301302361. The reversal of 213220301302312 is 213203103022312.

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, 318658728 + ... + 319327144.

It is an arithmetic number, because the mean of its divisors is an integer number (6314474662110).

Almost surely, 2^{213220301302312} is an apocalyptic number.

It is an amenable number.

213220301302312 is a deficient number, since it is larger than the sum of its proper divisors (190906077072728).

213220301302312 is a wasteful number, since it uses less digits than its factorization.

213220301302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669682 (or 669678 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213220301302312 its reverse (213203103022312), we get a palindrome (426423404324624).

The spelling of 213220301302312 in words is "two hundred thirteen trillion, two hundred twenty billion, three hundred one million, three hundred two thousand, three hundred twelve".