12132025545 has 16 divisors (see below), whose sum is σ = 19473265152. Its totient is φ = 6449738880.

The previous prime is 12132025489. The next prime is 12132025573. The reversal of 12132025545 is 54552023121.

It is not a de Polignac number, because 12132025545 - 2⁹ = 12132025033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287321 + ... + 1296710.

It is an arithmetic number, because the mean of its divisors is an integer number (1217079072).

Almost surely, 2^12132025545 is an apocalyptic number.

12132025545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12132025545 is a deficient number, since it is larger than the sum of its proper divisors (7341239607).

12132025545 is a wasteful number, since it uses less digits than its factorization.

12132025545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584352.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 12132025545 its reverse (54552023121), we get a palindrome (66684048666).

The spelling of 12132025545 in words is "twelve billion, one hundred thirty-two million, twenty-five thousand, five hundred forty-five".