12745669412 has 24 divisors (see below), whose sum is σ = 25495567104. Its totient is φ = 5461523712.

The previous prime is 12745669411. The next prime is 12745669421. The reversal of 12745669412 is 21496654721.

It is not an unprimeable number, because it can be changed into a prime (12745669411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150548 + ... + 219444.

It is an arithmetic number, because the mean of its divisors is an integer number (1062315296).

Almost surely, 2^12745669412 is an apocalyptic number.

It is an amenable number.

12745669412 is an abundant number, since it is smaller than the sum of its proper divisors (12749897692).

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

12745669412 is a wasteful number, since it uses less digits than its factorization.

12745669412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75515 (or 75513 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The spelling of 12745669412 in words is "twelve billion, seven hundred forty-five million, six hundred sixty-nine thousand, four hundred twelve".