13445500012 has 24 divisors (see below), whose sum is σ = 26968071200. Its totient is φ = 5745841920.

The previous prime is 13445500007. The next prime is 13445500031. The reversal of 13445500012 is 21000554431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13445500012.

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, 678189 + ... + 697732.

Almost surely, 2^13445500012 is an apocalyptic number.

It is an amenable number.

13445500012 is an abundant number, since it is smaller than the sum of its proper divisors (13522571188).

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

13445500012 is a wasteful number, since it uses less digits than its factorization.

13445500012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376281 (or 1376279 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 13445500012 in words is "thirteen billion, four hundred forty-five million, five hundred thousand, twelve".