12045453551045 has 4 divisors (see below), whose sum is σ = 14454544261260. Its totient is φ = 9636362840832.

The previous prime is 12045453551023. The next prime is 12045453551119. The reversal of 12045453551045 is 54015535454021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6882238053604 + 5163215497441 = 2623402^2 + 2272271^2 .

It is a cyclic number.

It is not a de Polignac number, because 12045453551045 - 2⁸ = 12045453550789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12045453550987 and 12045453551005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204545355100 + ... + 1204545355109.

It is an arithmetic number, because the mean of its divisors is an integer number (3613636065315).

Almost surely, 2^{12045453551045} is an apocalyptic number.

It is an amenable number.

12045453551045 is a deficient number, since it is larger than the sum of its proper divisors (2409090710215).

12045453551045 is an equidigital number, since it uses as much as digits as its factorization.

12045453551045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409090710214.

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 12045453551045 in words is "twelve trillion, forty-five billion, four hundred fifty-three million, five hundred fifty-one thousand, forty-five".