12133021525453 has 16 divisors (see below), whose sum is σ = 12781627891200. Its totient is φ = 11485419557040.

The previous prime is 12133021525421. The next prime is 12133021525489. The reversal of 12133021525453 is 35452512033121.

It is a happy number.

It is not a de Polignac number, because 12133021525453 - 2⁵ = 12133021525421 is a prime.

It is a super-2 number, since 2×12133021525453² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133021525153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341459298 + ... + 341494828.

It is an arithmetic number, because the mean of its divisors is an integer number (798851743200).

Almost surely, 2^{12133021525453} is an apocalyptic number.

It is an amenable number.

12133021525453 is a deficient number, since it is larger than the sum of its proper divisors (648606365747).

12133021525453 is a wasteful number, since it uses less digits than its factorization.

12133021525453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49152.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 12133021525453 its reverse (35452512033121), we get a palindrome (47585533558574).

The spelling of 12133021525453 in words is "twelve trillion, one hundred thirty-three billion, twenty-one million, five hundred twenty-five thousand, four hundred fifty-three".