12343020021200 has 120 divisors (see below), whose sum is σ = 33756452502336. Its totient is φ = 4293224320000.

The previous prime is 12343020021197. The next prime is 12343020021217. The reversal of 12343020021200 is 212002034321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60882101 + ... + 61084500.

Almost surely, 2^{12343020021200} is an apocalyptic number.

12343020021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12343020021200 is an abundant number, since it is smaller than the sum of its proper divisors (21413432481136).

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

12343020021200 is a wasteful number, since it uses less digits than its factorization.

12343020021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121966653 (or 121966642 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12343020021200 its reverse (212002034321), we get a palindrome (12555022055521).

The spelling of 12343020021200 in words is "twelve trillion, three hundred forty-three billion, twenty million, twenty-one thousand, two hundred".