12123120202320 has 320 divisors, whose sum is σ = 38834469863424. Its totient is φ = 3126168483840.

The previous prime is 12123120202211. The next prime is 12123120202337. The reversal of 12123120202320 is 2320202132121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2413519329 + ... + 2413524351.

Almost surely, 2^{12123120202320} is an apocalyptic number.

12123120202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12123120202320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19417234931712).

12123120202320 is an abundant number, since it is smaller than the sum of its proper divisors (26711349661104).

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

12123120202320 is a wasteful number, since it uses less digits than its factorization.

12123120202320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690 (or 6684 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12123120202320 its reverse (2320202132121), we get a palindrome (14443322334441).

The spelling of 12123120202320 in words is "twelve trillion, one hundred twenty-three billion, one hundred twenty million, two hundred two thousand, three hundred twenty".