20122231213304 has 32 divisors (see below), whose sum is σ = 41159804659200. Its totient is φ = 9146314209120.

The previous prime is 20122231213219. The next prime is 20122231213349. The reversal of 20122231213304 is 40331213222102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389687 + ... + 7192665.

It is an arithmetic number, because the mean of its divisors is an integer number (1286243895600).

Almost surely, 2^{20122231213304} is an apocalyptic number.

It is an amenable number.

20122231213304 is an abundant number, since it is smaller than the sum of its proper divisors (21037573445896).

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

20122231213304 is a wasteful number, since it uses less digits than its factorization.

20122231213304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863123 (or 3863119 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20122231213304 its reverse (40331213222102), we get a palindrome (60453444435406).

The spelling of 20122231213304 in words is "twenty trillion, one hundred twenty-two billion, two hundred thirty-one million, two hundred thirteen thousand, three hundred four".