12078254747 has 24 divisors (see below), whose sum is σ = 13785390000. Its totient is φ = 10561369728.

The previous prime is 12078254743. The next prime is 12078254759. The reversal of 12078254747 is 74745287021.

It is not a de Polignac number, because 12078254747 - 2² = 12078254743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12078254743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236504 + ... + 283002.

It is an arithmetic number, because the mean of its divisors is an integer number (574391250).

Almost surely, 2^12078254747 is an apocalyptic number.

12078254747 is a deficient number, since it is larger than the sum of its proper divisors (1707135253).

12078254747 is a wasteful number, since it uses less digits than its factorization.

12078254747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46607 (or 46594 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 47.

The spelling of 12078254747 in words is "twelve billion, seventy-eight million, two hundred fifty-four thousand, seven hundred forty-seven".