12074552789 has 4 divisors (see below), whose sum is σ = 13003364556. Its totient is φ = 11145741024.

The previous prime is 12074552741. The next prime is 12074552887. The reversal of 12074552789 is 98725547021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98725547021 = 10711 ⋅9217211.

It can be written as a sum of positive squares in 2 ways, for example, as 5964472900 + 6110079889 = 77230^2 + 78167^2 .

It is a cyclic number.

It is not a de Polignac number, because 12074552789 - 2⁸ = 12074552533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12074552729) 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, 464405864 + ... + 464405889.

It is an arithmetic number, because the mean of its divisors is an integer number (3250841139).

Almost surely, 2^12074552789 is an apocalyptic number.

It is an amenable number.

12074552789 is a deficient number, since it is larger than the sum of its proper divisors (928811767).

12074552789 is an equidigital number, since it uses as much as digits as its factorization.

12074552789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928811766.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 12074552789 in words is "twelve billion, seventy-four million, five hundred fifty-two thousand, seven hundred eighty-nine".