12027037545 has 40 divisors (see below), whose sum is σ = 21863286720. Its totient is φ = 6324060960.

The previous prime is 12027037537. The next prime is 12027037579. The reversal of 12027037545 is 54573072021.

12027037545 is a `hidden beast` number, since 12 + 0 + 2 + 70 + 37 + 545 = 666.

It is not a de Polignac number, because 12027037545 - 2³ = 12027037537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 180375 + ... + 237884.

It is an arithmetic number, because the mean of its divisors is an integer number (546582168).

Almost surely, 2^12027037545 is an apocalyptic number.

12027037545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12027037545 is a deficient number, since it is larger than the sum of its proper divisors (9836249175).

12027037545 is an equidigital number, since it uses as much as digits as its factorization.

12027037545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418347 (or 418338 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 12027037545 in words is "twelve billion, twenty-seven million, thirty-seven thousand, five hundred forty-five".