12078383545452 has 48 divisors (see below), whose sum is σ = 32570921940480. Its totient is φ = 3412191818112.

The previous prime is 12078383545411. The next prime is 12078383545469. The reversal of 12078383545452 is 25454538387021.

It is a junction number, because it is equal to n+sod(n) for n = 12078383545392 and 12078383545401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807803088 + ... + 807818039.

It is an arithmetic number, because the mean of its divisors is an integer number (678560873760).

Almost surely, 2^{12078383545452} is an apocalyptic number.

12078383545452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12078383545452 is an abundant number, since it is smaller than the sum of its proper divisors (20492538395028).

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

12078383545452 is a wasteful number, since it uses less digits than its factorization.

12078383545452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615621230 (or 1615621228 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 57.

The spelling of 12078383545452 in words is "twelve trillion, seventy-eight billion, three hundred eighty-three million, five hundred forty-five thousand, four hundred fifty-two".