12001133445 has 16 divisors (see below), whose sum is σ = 21944929920. Its totient is φ = 5486232384.

The previous prime is 12001133437. The next prime is 12001133449. The reversal of 12001133445 is 54433110021.

It is a happy number.

It is not a de Polignac number, because 12001133445 - 2³ = 12001133437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001133449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57148150 + ... + 57148359.

It is an arithmetic number, because the mean of its divisors is an integer number (1371558120).

Almost surely, 2^12001133445 is an apocalyptic number.

12001133445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12001133445 is a deficient number, since it is larger than the sum of its proper divisors (9943796475).

12001133445 is a wasteful number, since it uses less digits than its factorization.

12001133445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114296524.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12001133445 its reverse (54433110021), we get a palindrome (66434243466).

The spelling of 12001133445 in words is "twelve billion, one million, one hundred thirty-three thousand, four hundred forty-five".