12013344543000 has 64 divisors (see below), whose sum is σ = 37481634983520. Its totient is φ = 3203558544000.

The previous prime is 12013344542959. The next prime is 12013344543043. The reversal of 12013344543000 is 34544331021.

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 15 ways as a sum of consecutive naturals, for example, 2002221091 + ... + 2002227090.

Almost surely, 2^{12013344543000} is an apocalyptic number.

12013344543000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013344543000 is an abundant number, since it is smaller than the sum of its proper divisors (25468290440520).

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

12013344543000 is a wasteful number, since it uses less digits than its factorization.

12013344543000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004448205 (or 4004448191 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 12013344543000 its reverse (34544331021), we get a palindrome (12047888874021).

The spelling of 12013344543000 in words is "twelve trillion, thirteen billion, three hundred forty-four million, five hundred forty-three thousand".