12321433443000 has 256 divisors, whose sum is σ = 44144927424000. Its totient is φ = 2829802752000.

The previous prime is 12321433442933. The next prime is 12321433443079. The reversal of 12321433443000 is 34433412321.

It is a happy number.

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

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, 9198705 + ... + 10452704.

It is an arithmetic number, because the mean of its divisors is an integer number (172441122750).

Almost surely, 2^{12321433443000} is an apocalyptic number.

12321433443000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321433443000 is an abundant number, since it is smaller than the sum of its proper divisors (31823493981000).

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

12321433443000 is a wasteful number, since it uses less digits than its factorization.

12321433443000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19651463 (or 19651449 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 12321433443000 its reverse (34433412321), we get a palindrome (12355866855321).

The spelling of 12321433443000 in words is "twelve trillion, three hundred twenty-one billion, four hundred thirty-three million, four hundred forty-three thousand".