13022331220312 has 64 divisors (see below), whose sum is σ = 24688141885440. Its totient is φ = 6439195526400.

The previous prime is 13022331220307. The next prime is 13022331220373. The reversal of 13022331220312 is 21302213322031.

It is a super-2 number, since 2×13022331220312² (a number of 27 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 15 ways as a sum of consecutive naturals, for example, 565758628 + ... + 565781644.

It is an arithmetic number, because the mean of its divisors is an integer number (385752216960).

Almost surely, 2^{13022331220312} is an apocalyptic number.

It is an amenable number.

13022331220312 is a deficient number, since it is larger than the sum of its proper divisors (11665810665128).

13022331220312 is a wasteful number, since it uses less digits than its factorization.

13022331220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24992 (or 24988 counting only the distinct ones).

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

Adding to 13022331220312 its reverse (21302213322031), we get a palindrome (34324544542343).

The spelling of 13022331220312 in words is "thirteen trillion, twenty-two billion, three hundred thirty-one million, two hundred twenty thousand, three hundred twelve".