12045140335320 has 128 divisors (see below), whose sum is σ = 36686583037440. Its totient is φ = 3163076167680.

The previous prime is 12045140335313. The next prime is 12045140335451. The reversal of 12045140335320 is 2353304154021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24852829 + ... + 25332851.

It is an arithmetic number, because the mean of its divisors is an integer number (286613929980).

Almost surely, 2^{12045140335320} is an apocalyptic number.

12045140335320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12045140335320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18343291518720).

12045140335320 is an abundant number, since it is smaller than the sum of its proper divisors (24641442702120).

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

12045140335320 is a wasteful number, since it uses less digits than its factorization.

12045140335320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483225 (or 483221 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 12045140335320 its reverse (2353304154021), we get a palindrome (14398444489341).

The spelling of 12045140335320 in words is "twelve trillion, forty-five billion, one hundred forty million, three hundred thirty-five thousand, three hundred twenty".