12102144433 has 4 divisors (see below), whose sum is σ = 12814035300. Its totient is φ = 11390253568.

The previous prime is 12102144359. The next prime is 12102144463. The reversal of 12102144433 is 33444120121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33444120121 = 2861 ⋅11689661.

It can be written as a sum of positive squares in 2 ways, for example, as 11178409984 + 923734449 = 105728^2 + 30393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102144433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102144398 and 12102144407.

It is not an unprimeable number, because it can be changed into a prime (12102144463) 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, 355945408 + ... + 355945441.

It is an arithmetic number, because the mean of its divisors is an integer number (3203508825).

Almost surely, 2^12102144433 is an apocalyptic number.

It is an amenable number.

12102144433 is a deficient number, since it is larger than the sum of its proper divisors (711890867).

12102144433 is an equidigital number, since it uses as much as digits as its factorization.

12102144433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711890866.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12102144433 its reverse (33444120121), we get a palindrome (45546264554).

The spelling of 12102144433 in words is "twelve billion, one hundred two million, one hundred forty-four thousand, four hundred thirty-three".