12123023222240 has 96 divisors (see below), whose sum is σ = 32778331508160. Its totient is φ = 4150602399744.

The previous prime is 12123023222239. The next prime is 12123023222339. The reversal of 12123023222240 is 4222232032121.

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, 6839297 + ... + 8427456.

It is an arithmetic number, because the mean of its divisors is an integer number (341440953210).

Almost surely, 2^{12123023222240} is an apocalyptic number.

12123023222240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12123023222240 is an abundant number, since it is smaller than the sum of its proper divisors (20655308285920).

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

12123023222240 is a wasteful number, since it uses less digits than its factorization.

12123023222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15267484 (or 15267476 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12123023222240 its reverse (4222232032121), we get a palindrome (16345255254361).

The spelling of 12123023222240 in words is "twelve trillion, one hundred twenty-three billion, twenty-three million, two hundred twenty-two thousand, two hundred forty".