13443525012 has 48 divisors (see below), whose sum is σ = 34157793600. Its totient is φ = 4098931200.

The previous prime is 13443524999. The next prime is 13443525071. The reversal of 13443525012 is 21052534431.

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, 1009989 + ... + 1023212.

It is an arithmetic number, because the mean of its divisors is an integer number (711620700).

Almost surely, 2^13443525012 is an apocalyptic number.

13443525012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13443525012 is an abundant number, since it is smaller than the sum of its proper divisors (20714268588).

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

13443525012 is a wasteful number, since it uses less digits than its factorization.

13443525012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033256 (or 2033254 counting only the distinct ones).

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

The spelling of 13443525012 in words is "thirteen billion, four hundred forty-three million, five hundred twenty-five thousand, twelve".