12532111440000 has 160 divisors (see below), whose sum is σ = 41597211693840. Its totient is φ = 3341896320000.

The previous prime is 12532111439993. The next prime is 12532111440019. The reversal of 12532111440000 is 4411123521.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25868566 + ... + 26348565.

Almost surely, 2^{12532111440000} is an apocalyptic number.

12532111440000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12532111440000 is an abundant number, since it is smaller than the sum of its proper divisors (29065100253840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12532111440000 is an frugal number, since it uses more digits than its factorization.

12532111440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52217168 (or 52217141 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 12532111440000 its reverse (4411123521), we get a palindrome (12536522563521).

The spelling of 12532111440000 in words is "twelve trillion, five hundred thirty-two billion, one hundred eleven million, four hundred forty thousand".