12781468124 has 6 divisors (see below), whose sum is σ = 22367569224. Its totient is φ = 6390734060.

The previous prime is 12781468121. The next prime is 12781468211. The reversal of 12781468124 is 42186418721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12781468121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597683512 + ... + 1597683519.

It is an arithmetic number, because the mean of its divisors is an integer number (3727928204).

Almost surely, 2^12781468124 is an apocalyptic number.

It is an amenable number.

12781468124 is a deficient number, since it is larger than the sum of its proper divisors (9586101100).

12781468124 is a wasteful number, since it uses less digits than its factorization.

12781468124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195367035 (or 3195367033 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The spelling of 12781468124 in words is "twelve billion, seven hundred eighty-one million, four hundred sixty-eight thousand, one hundred twenty-four".