12124550145133 has 4 divisors (see below), whose sum is σ = 12124584540220. Its totient is φ = 12124515750048.

The previous prime is 12124550145101. The next prime is 12124550145143. The reversal of 12124550145133 is 33154105542121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7755099900804 + 4369450244329 = 2784798^2 + 2090323^2 .

It is a cyclic number.

It is not a de Polignac number, because 12124550145133 - 2⁵ = 12124550145101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12124550145092 and 12124550145101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124550145143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16663248 + ... + 17375641.

It is an arithmetic number, because the mean of its divisors is an integer number (3031146135055).

Almost surely, 2^{12124550145133} is an apocalyptic number.

It is an amenable number.

12124550145133 is a deficient number, since it is larger than the sum of its proper divisors (34395087).

12124550145133 is an equidigital number, since it uses as much as digits as its factorization.

12124550145133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34395086.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 12124550145133 its reverse (33154105542121), we get a palindrome (45278655687254).

The spelling of 12124550145133 in words is "twelve trillion, one hundred twenty-four billion, five hundred fifty million, one hundred forty-five thousand, one hundred thirty-three".