12445412144132 has 24 divisors (see below), whose sum is σ = 23817514717920. Its totient is φ = 5643174202560.

The previous prime is 12445412144089. The next prime is 12445412144141. The reversal of 12445412144132 is 23144121454421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345764738 + ... + 345800729.

It is an arithmetic number, because the mean of its divisors is an integer number (992396446580).

Almost surely, 2^{12445412144132} is an apocalyptic number.

It is an amenable number.

12445412144132 is a deficient number, since it is larger than the sum of its proper divisors (11372102573788).

12445412144132 is a wasteful number, since it uses less digits than its factorization.

12445412144132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691565891 (or 691565889 counting only the distinct ones).

The product of its digits is 122880, while the sum is 38.

Adding to 12445412144132 its reverse (23144121454421), we get a palindrome (35589533598553).

The spelling of 12445412144132 in words is "twelve trillion, four hundred forty-five billion, four hundred twelve million, one hundred forty-four thousand, one hundred thirty-two".