13550445012 has 36 divisors (see below), whose sum is σ = 34236928320. Its totient is φ = 4169367072.

The previous prime is 13550445001. The next prime is 13550445031. The reversal of 13550445012 is 21054405531.

It is a super-2 number, since 2×13550445012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3338812 + ... + 3342867.

Almost surely, 2^13550445012 is an apocalyptic number.

13550445012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13550445012 is an abundant number, since it is smaller than the sum of its proper divisors (20686483308).

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

13550445012 is a wasteful number, since it uses less digits than its factorization.

13550445012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6681712 (or 6681697 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 13550445012 in words is "thirteen billion, five hundred fifty million, four hundred forty-five thousand, twelve".