103443255012 has 12 divisors (see below), whose sum is σ = 241367595056. Its totient is φ = 34481085000.

The previous prime is 103443255011. The next prime is 103443255049. The reversal of 103443255012 is 210552344301.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (103443255011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4310135614 + ... + 4310135637.

Almost surely, 2^103443255012 is an apocalyptic number.

103443255012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103443255012 is an abundant number, since it is smaller than the sum of its proper divisors (137924340044).

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

103443255012 is a wasteful number, since it uses less digits than its factorization.

103443255012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620271258 (or 8620271256 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 103443255012 its reverse (210552344301), we get a palindrome (313995599313).

The spelling of 103443255012 in words is "one hundred three billion, four hundred forty-three million, two hundred fifty-five thousand, twelve".