12012443000 has 32 divisors (see below), whose sum is σ = 28109118960. Its totient is φ = 4804976800.

The previous prime is 12012442973. The next prime is 12012443077. The reversal of 12012443000 is 34421021.

It is a self number, because there is not a number n which added to its sum of digits gives 12012443000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6005222 + ... + 6007221.

Almost surely, 2^12012443000 is an apocalyptic number.

12012443000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012443000 is an abundant number, since it is smaller than the sum of its proper divisors (16096675960).

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

12012443000 is a wasteful number, since it uses less digits than its factorization.

12012443000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012464 (or 12012450 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12012443000 its reverse (34421021), we get a palindrome (12046864021).

The spelling of 12012443000 in words is "twelve billion, twelve million, four hundred forty-three thousand".