13213230312000 has 224 divisors, whose sum is σ = 43740017493120. Its totient is φ = 3514650163200.

The previous prime is 13213230311989. The next prime is 13213230312013. The reversal of 13213230312000 is 21303231231.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8834611 + ... + 10221389.

Almost surely, 2^{13213230312000} is an apocalyptic number.

13213230312000 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 13213230312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21870008746560).

13213230312000 is an abundant number, since it is smaller than the sum of its proper divisors (30526787181120).

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

13213230312000 is a wasteful number, since it uses less digits than its factorization.

13213230312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387206 (or 1387186 counting only the distinct ones).

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

Adding to 13213230312000 its reverse (21303231231), we get a palindrome (13234533543231).

The spelling of 13213230312000 in words is "thirteen trillion, two hundred thirteen billion, two hundred thirty million, three hundred twelve thousand".