13522530012 has 12 divisors (see below), whose sum is σ = 31552570056. Its totient is φ = 4507510000.

The previous prime is 13522530011. The next prime is 13522530019. The reversal of 13522530012 is 21003522531.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522530011) 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, 563438739 + ... + 563438762.

It is an arithmetic number, because the mean of its divisors is an integer number (2629380838).

Almost surely, 2^13522530012 is an apocalyptic number.

13522530012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13522530012 is an abundant number, since it is smaller than the sum of its proper divisors (18030040044).

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

13522530012 is a wasteful number, since it uses less digits than its factorization.

13522530012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126877508 (or 1126877506 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 13522530012 in words is "thirteen billion, five hundred twenty-two million, five hundred thirty thousand, twelve".