12068571440 has 20 divisors (see below), whose sum is σ = 28059428784. Its totient is φ = 4827428544.

The previous prime is 12068571397. The next prime is 12068571443. The reversal of 12068571440 is 4417586021.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 12068571394 and 12068571403.

It is not an unprimeable number, because it can be changed into a prime (12068571443) 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, 75428492 + ... + 75428651.

Almost surely, 2^12068571440 is an apocalyptic number.

12068571440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12068571440 is an abundant number, since it is smaller than the sum of its proper divisors (15990857344).

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

12068571440 is a wasteful number, since it uses less digits than its factorization.

12068571440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150857156 (or 150857150 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 12068571440 in words is "twelve billion, sixty-eight million, five hundred seventy-one thousand, four hundred forty".