12133035335520 has 144 divisors (see below), whose sum is σ = 45167981603472. Its totient is φ = 2941341895680.

The previous prime is 12133035335471. The next prime is 12133035335539. The reversal of 12133035335520 is 2553353033121.

It is a happy number.

12133035335520 is a `hidden beast` number, since 1 + 2 + 13 + 30 + 35 + 33 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382971387 + ... + 383003066.

It is an arithmetic number, because the mean of its divisors is an integer number (313666538913).

Almost surely, 2^{12133035335520} is an apocalyptic number.

12133035335520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133035335520 is an abundant number, since it is smaller than the sum of its proper divisors (33034946267952).

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

12133035335520 is a wasteful number, since it uses less digits than its factorization.

12133035335520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765974485 (or 765974474 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

Adding to 12133035335520 its reverse (2553353033121), we get a palindrome (14686388368641).

The spelling of 12133035335520 in words is "twelve trillion, one hundred thirty-three billion, thirty-five million, three hundred thirty-five thousand, five hundred twenty".