12401533320330 has 256 divisors, whose sum is σ = 37275189866496. Its totient is φ = 2565347051520.

The previous prime is 12401533320277. The next prime is 12401533320331. The reversal of 12401533320330 is 3302333510421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12401533320331) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 717133164 + ... + 717150456.

It is an arithmetic number, because the mean of its divisors is an integer number (145606210416).

Almost surely, 2^{12401533320330} is an apocalyptic number.

12401533320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12401533320330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18637594933248).

12401533320330 is an abundant number, since it is smaller than the sum of its proper divisors (24873656546166).

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

12401533320330 is a wasteful number, since it uses less digits than its factorization.

12401533320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18701.

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 12401533320330 its reverse (3302333510421), we get a palindrome (15703866830751).

The spelling of 12401533320330 in words is "twelve trillion, four hundred one billion, five hundred thirty-three million, three hundred twenty thousand, three hundred thirty".