13563244212 has 48 divisors (see below), whose sum is σ = 37009792512. Its totient is φ = 3785090400.

The previous prime is 13563244199. The next prime is 13563244237. The reversal of 13563244212 is 21244236531.

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, 1873914 + ... + 1881137.

It is an arithmetic number, because the mean of its divisors is an integer number (771037344).

Almost surely, 2^13563244212 is an apocalyptic number.

13563244212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13563244212 is an abundant number, since it is smaller than the sum of its proper divisors (23446548300).

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

13563244212 is a wasteful number, since it uses less digits than its factorization.

13563244212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755108 (or 3755106 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The spelling of 13563244212 in words is "thirteen billion, five hundred sixty-three million, two hundred forty-four thousand, two hundred twelve".