12301003321320 has 256 divisors, whose sum is σ = 42591428352000. Its totient is φ = 2783923209216.

The previous prime is 12301003321301. The next prime is 12301003321357. The reversal of 12301003321320 is 2312330010321.

It is a super-2 number, since 2×12301003321320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 133539999 + ... + 133632081.

It is an arithmetic number, because the mean of its divisors is an integer number (166372767000).

Almost surely, 2^{12301003321320} is an apocalyptic number.

12301003321320 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 12301003321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21295714176000).

12301003321320 is an abundant number, since it is smaller than the sum of its proper divisors (30290425030680).

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

12301003321320 is a wasteful number, since it uses less digits than its factorization.

12301003321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93672 (or 93668 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12301003321320 its reverse (2312330010321), we get a palindrome (14613333331641).

The spelling of 12301003321320 in words is "twelve trillion, three hundred one billion, three million, three hundred twenty-one thousand, three hundred twenty".