12078383545453 has 4 divisors (see below), whose sum is σ = 12158372840608. Its totient is φ = 11998394250300.

The previous prime is 12078383545411. The next prime is 12078383545469. The reversal of 12078383545453 is 35454538387021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12078383545453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12078383045453) 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, 39994647351 + ... + 39994647652.

It is an arithmetic number, because the mean of its divisors is an integer number (3039593210152).

Almost surely, 2^{12078383545453} is an apocalyptic number.

It is an amenable number.

12078383545453 is a deficient number, since it is larger than the sum of its proper divisors (79989295155).

12078383545453 is an equidigital number, since it uses as much as digits as its factorization.

12078383545453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79989295154.

The product of its (nonzero) digits is 48384000, while the sum is 58.

The spelling of 12078383545453 in words is "twelve trillion, seventy-eight billion, three hundred eighty-three million, five hundred forty-five thousand, four hundred fifty-three".