12054223765 has 4 divisors (see below), whose sum is σ = 14465068524. Its totient is φ = 9643379008.

The previous prime is 12054223763. The next prime is 12054223793. The reversal of 12054223765 is 56732245021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56732245021 = 47 ⋅1207069043.

It can be written as a sum of positive squares in 2 ways, for example, as 2552068324 + 9502155441 = 50518^2 + 97479^2 .

It is a cyclic number.

It is not a de Polignac number, because 12054223765 - 2¹ = 12054223763 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 (12054223763) 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, 1205422372 + ... + 1205422381.

It is an arithmetic number, because the mean of its divisors is an integer number (3616267131).

Almost surely, 2^12054223765 is an apocalyptic number.

It is an amenable number.

12054223765 is a deficient number, since it is larger than the sum of its proper divisors (2410844759).

12054223765 is an equidigital number, since it uses as much as digits as its factorization.

12054223765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410844758.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 12054223765 its reverse (56732245021), we get a palindrome (68786468786).

The spelling of 12054223765 in words is "twelve billion, fifty-four million, two hundred twenty-three thousand, seven hundred sixty-five".