12122321012304 has 80 divisors (see below), whose sum is σ = 31909137148800. Its totient is φ = 3964250188288.

The previous prime is 12122321012303. The next prime is 12122321012323. The reversal of 12122321012304 is 40321012322121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122321012303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37155517 + ... + 37480355.

It is an arithmetic number, because the mean of its divisors is an integer number (398864214360).

Almost surely, 2^{12122321012304} is an apocalyptic number.

It is an amenable number.

12122321012304 is an abundant number, since it is smaller than the sum of its proper divisors (19786816136496).

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

12122321012304 is a wasteful number, since it uses less digits than its factorization.

12122321012304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339572 (or 339566 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12122321012304 its reverse (40321012322121), we get a palindrome (52443333334425).

The spelling of 12122321012304 in words is "twelve trillion, one hundred twenty-two billion, three hundred twenty-one million, twelve thousand, three hundred four".