12045520103451 has 8 divisors (see below), whose sum is σ = 16060808557584. Its totient is φ = 8030289192480.

The previous prime is 12045520103443. The next prime is 12045520103473. The reversal of 12045520103451 is 15430102554021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12045520103451 - 2³ = 12045520103443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12045520108451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13894960 + ... + 14736381.

It is an arithmetic number, because the mean of its divisors is an integer number (2007601069698).

Almost surely, 2^{12045520103451} is an apocalyptic number.

12045520103451 is a deficient number, since it is larger than the sum of its proper divisors (4015288454133).

12045520103451 is a wasteful number, since it uses less digits than its factorization.

12045520103451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28771581.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 12045520103451 its reverse (15430102554021), we get a palindrome (27475622657472).

The spelling of 12045520103451 in words is "twelve trillion, forty-five billion, five hundred twenty million, one hundred three thousand, four hundred fifty-one".