13543042222512 has 240 divisors, whose sum is σ = 42585175365408. Its totient is φ = 3981716766720.

The previous prime is 13543042222481. The next prime is 13543042222519. The reversal of 13543042222512 is 21522224034531.

13543042222512 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 3 + 0 + 422 + 225 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13543042222519) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20361318 + ... + 21015930.

Almost surely, 2^{13543042222512} is an apocalyptic number.

13543042222512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13543042222512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21292587682704).

13543042222512 is an abundant number, since it is smaller than the sum of its proper divisors (29042133142896).

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

13543042222512 is a wasteful number, since it uses less digits than its factorization.

13543042222512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655028 (or 655019 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 13543042222512 in words is "thirteen trillion, five hundred forty-three billion, forty-two million, two hundred twenty-two thousand, five hundred twelve".