12135010544 has 10 divisors (see below), whose sum is σ = 23511582960. Its totient is φ = 6067505264.

The previous prime is 12135010507. The next prime is 12135010549. The reversal of 12135010544 is 44501053121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12135010549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379219064 + ... + 379219095.

It is an arithmetic number, because the mean of its divisors is an integer number (2351158296).

Almost surely, 2^12135010544 is an apocalyptic number.

It is an amenable number.

12135010544 is a deficient number, since it is larger than the sum of its proper divisors (11376572416).

12135010544 is an equidigital number, since it uses as much as digits as its factorization.

12135010544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758438167 (or 758438161 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 12135010544 its reverse (44501053121), we get a palindrome (56636063665).

The spelling of 12135010544 in words is "twelve billion, one hundred thirty-five million, ten thousand, five hundred forty-four".